640728900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 432

約数和(自身を含む): 2493590400

約数和(自身を除く): 1852861500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 29, 30, 35, 36, 42, 45, 49, 50, 54, 58, 60, 63, 70, 75, 84, 87, 90, 98, 100, 105, 108, 116, 126, 135, 140, 145, 147, 150, 167, 174, 175, 180, 189, 196, 203, 210, 225, 245, 252, 261, 270, 290, 294, 300, 315, 334, 348, 350, 378, 406, 420, 435, 441, 450, 490, 501, 522, 525, 540, 580, 588, 609, 630, 668, 675, 700, 725, 735, 756, 783, 812, 835, 870, 882, 900, 945, 980, 1002, 1015, 1044, 1050, 1169, 1218, 1225, 1260, 1305, 1323, 1350, 1421, 1450, 1470, 1503, 1566, 1575, 1670, 1740, 1764, 1827, 1890, 2004, 2030, 2100, 2175, 2205, 2338, 2436, 2450, 2505, 2610, 2646, 2700, 2842, 2900, 2940, 3006, 3045, 3132, 3150, 3340, 3507, 3654, 3675, 3780, 3915, 4060, 4175, 4263, 4350, 4410, 4509, 4676, 4725, 4843, 4900, 5010, 5075, 5220, 5292, 5481, 5684, 5845, 6012, 6090, 6300, 6525, 6615, 7014, 7105, 7308, 7350, 7515, 7830, 8183, 8350, 8526, 8700, 8820, 9018, 9135, 9450, 9686, 10020, 10150, 10521, 10962, 11025, 11690, 12180, 12525, 12789, 13050, 13230, 14028, 14210, 14529, 14700, 15030, 15225, 15660, 16366, 16700, 17052, 17535, 18036, 18270, 18900, 19372, 19575, 20300, 21042, 21315, 21924, 22050, 22545, 23380, 24215, 24549, 25050, 25578, 26100, 26460, 27405, 28420, 29058, 29225, 30060, 30450, 31563, 32732, 33075, 33901, 35070, 35525, 36540, 37575, 38367, 39150, 40915, 42084, 42630, 43587, 44100, 45090, 45675, 48430, 49098, 50100, 51156, 52605, 54810, 58116, 58450, 60900, 63126, 63945, 66150, 67802, 70140, 71050, 72645, 73647, 75150, 76734, 78300, 81830, 85260, 87174, 87675, 90180, 91350, 96860, 98196, 101703, 105210, 106575, 109620, 112725, 116900, 121075, 122745, 126252, 127890, 130761, 132300, 135604, 137025, 142100, 145290, 147294, 150300, 153468, 157815, 163660, 169505, 174348, 175350, 182700, 191835, 203406, 204575, 210420, 213150, 217935, 220941, 225450, 237307, 242150, 245490, 255780, 261522, 263025, 274050, 290580, 294588, 305109, 315630, 319725, 339010, 350700, 363225, 368235, 383670, 406812, 409150, 426300, 435870, 441882, 450900, 474614, 484300, 490980, 508515, 523044, 526050, 548100, 610218, 613725, 631260, 639450, 653805, 678020, 711921, 726450, 736470, 767340, 789075, 818300, 847525, 871740, 883764, 915327, 949228, 959175, 1017030, 1052100, 1089675, 1104705, 1186535, 1220436, 1227450, 1278900, 1307610, 1423842, 1452900, 1472940, 1525545, 1578150, 1695050, 1830654, 1841175, 1918350, 2034060, 2135763, 2179350, 2209410, 2373070, 2454900, 2542575, 2615220, 2847684, 3051090, 3156300, 3269025, 3390100, 3559605, 3661308, 3682350, 3836700, 4271526, 4358700, 4418820, 4576635, 4746140, 5085150, 5523525, 5932675, 6102180, 6407289, 6538050, 7119210, 7364700, 7627725, 8543052, 9153270, 10170300, 10678815, 11047050, 11865350, 12814578, 13076100, 14238420, 15255450, 17798025, 18306540, 21357630, 22094100, 22883175, 23730700, 25629156, 30510900, 32036445, 35596050, 42715260, 45766350, 53394075, 64072890, 71192100, 91532700, 106788150, 128145780, 160182225, 213576300, 320364450, 640728900]

約数ペア:

[(1, 640728900), (2, 320364450), (3, 213576300), (4, 160182225), (5, 128145780), (6, 106788150), (7, 91532700), (9, 71192100), (10, 64072890), (12, 53394075), (14, 45766350), (15, 42715260), (18, 35596050), (20, 32036445), (21, 30510900), (25, 25629156), (27, 23730700), (28, 22883175), (29, 22094100), (30, 21357630), (35, 18306540), (36, 17798025), (42, 15255450), (45, 14238420), (49, 13076100), (50, 12814578), (54, 11865350), (58, 11047050), (60, 10678815), (63, 10170300), (70, 9153270), (75, 8543052), (84, 7627725), (87, 7364700), (90, 7119210), (98, 6538050), (100, 6407289), (105, 6102180), (108, 5932675), (116, 5523525), (126, 5085150), (135, 4746140), (140, 4576635), (145, 4418820), (147, 4358700), (150, 4271526), (167, 3836700), (174, 3682350), (175, 3661308), (180, 3559605), (189, 3390100), (196, 3269025), (203, 3156300), (210, 3051090), (225, 2847684), (245, 2615220), (252, 2542575), (261, 2454900), (270, 2373070), (290, 2209410), (294, 2179350), (300, 2135763), (315, 2034060), (334, 1918350), (348, 1841175), (350, 1830654), (378, 1695050), (406, 1578150), (420, 1525545), (435, 1472940), (441, 1452900), (450, 1423842), (490, 1307610), (501, 1278900), (522, 1227450), (525, 1220436), (540, 1186535), (580, 1104705), (588, 1089675), (609, 1052100), (630, 1017030), (668, 959175), (675, 949228), (700, 915327), (725, 883764), (735, 871740), (756, 847525), (783, 818300), (812, 789075), (835, 767340), (870, 736470), (882, 726450), (900, 711921), (945, 678020), (980, 653805), (1002, 639450), (1015, 631260), (1044, 613725), (1050, 610218), (1169, 548100), (1218, 526050), (1225, 523044), (1260, 508515), (1305, 490980), (1323, 484300), (1350, 474614), (1421, 450900), (1450, 441882), (1470, 435870), (1503, 426300), (1566, 409150), (1575, 406812), (1670, 383670), (1740, 368235), (1764, 363225), (1827, 350700), (1890, 339010), (2004, 319725), (2030, 315630), (2100, 305109), (2175, 294588), (2205, 290580), (2338, 274050), (2436, 263025), (2450, 261522), (2505, 255780), (2610, 245490), (2646, 242150), (2700, 237307), (2842, 225450), (2900, 220941), (2940, 217935), (3006, 213150), (3045, 210420), (3132, 204575), (3150, 203406), (3340, 191835), (3507, 182700), (3654, 175350), (3675, 174348), (3780, 169505), (3915, 163660), (4060, 157815), (4175, 153468), (4263, 150300), (4350, 147294), (4410, 145290), (4509, 142100), (4676, 137025), (4725, 135604), (4843, 132300), (4900, 130761), (5010, 127890), (5075, 126252), (5220, 122745), (5292, 121075), (5481, 116900), (5684, 112725), (5845, 109620), (6012, 106575), (6090, 105210), (6300, 101703), (6525, 98196), (6615, 96860), (7014, 91350), (7105, 90180), (7308, 87675), (7350, 87174), (7515, 85260), (7830, 81830), (8183, 78300), (8350, 76734), (8526, 75150), (8700, 73647), (8820, 72645), (9018, 71050), (9135, 70140), (9450, 67802), (9686, 66150), (10020, 63945), (10150, 63126), (10521, 60900), (10962, 58450), (11025, 58116), (11690, 54810), (12180, 52605), (12525, 51156), (12789, 50100), (13050, 49098), (13230, 48430), (14028, 45675), (14210, 45090), (14529, 44100), (14700, 43587), (15030, 42630), (15225, 42084), (15660, 40915), (16366, 39150), (16700, 38367), (17052, 37575), (17535, 36540), (18036, 35525), (18270, 35070), (18900, 33901), (19372, 33075), (19575, 32732), (20300, 31563), (21042, 30450), (21315, 30060), (21924, 29225), (22050, 29058), (22545, 28420), (23380, 27405), (24215, 26460), (24549, 26100), (25050, 25578)]