20827800

素因数分解:

$2^3\times 3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 384

約数和(自身を含む): 89280000

約数和(自身を除く): 68452200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 25, 27, 28, 29, 30, 35, 36, 38, 40, 42, 45, 50, 54, 56, 57, 58, 60, 63, 70, 72, 75, 76, 84, 87, 90, 95, 100, 105, 108, 114, 116, 120, 126, 133, 135, 140, 145, 150, 152, 168, 171, 174, 175, 180, 189, 190, 200, 203, 210, 216, 225, 228, 232, 252, 261, 266, 270, 280, 285, 290, 300, 315, 342, 348, 350, 360, 378, 380, 399, 406, 420, 435, 450, 456, 475, 504, 513, 522, 525, 532, 540, 551, 570, 580, 600, 609, 630, 665, 675, 684, 696, 700, 725, 756, 760, 783, 798, 812, 840, 855, 870, 900, 945, 950, 1015, 1026, 1044, 1050, 1064, 1080, 1102, 1140, 1160, 1197, 1218, 1260, 1305, 1330, 1350, 1368, 1400, 1425, 1450, 1512, 1566, 1575, 1596, 1624, 1653, 1710, 1740, 1800, 1827, 1890, 1900, 1995, 2030, 2052, 2088, 2100, 2175, 2204, 2280, 2394, 2436, 2520, 2565, 2610, 2660, 2700, 2755, 2850, 2900, 3045, 3132, 3150, 3192, 3306, 3325, 3420, 3480, 3591, 3654, 3780, 3800, 3857, 3915, 3990, 4060, 4104, 4200, 4275, 4350, 4408, 4725, 4788, 4872, 4959, 5075, 5130, 5220, 5320, 5400, 5481, 5510, 5700, 5800, 5985, 6090, 6264, 6300, 6525, 6612, 6650, 6840, 7182, 7308, 7560, 7714, 7830, 7980, 8120, 8265, 8550, 8700, 9135, 9450, 9576, 9918, 9975, 10150, 10260, 10440, 10962, 11020, 11400, 11571, 11970, 12180, 12600, 12825, 13050, 13224, 13300, 13775, 14364, 14616, 14877, 15225, 15428, 15660, 15960, 16530, 17100, 17400, 17955, 18270, 18900, 19285, 19575, 19836, 19950, 20300, 20520, 21924, 22040, 23142, 23940, 24360, 24795, 25650, 26100, 26600, 27405, 27550, 28728, 29754, 29925, 30450, 30856, 31320, 33060, 34200, 34713, 35910, 36540, 37800, 38570, 39150, 39672, 39900, 40600, 41325, 43848, 45675, 46284, 47880, 49590, 51300, 52200, 54810, 55100, 57855, 59508, 59850, 60900, 66120, 69426, 71820, 73080, 74385, 77140, 78300, 79800, 82650, 89775, 91350, 92568, 96425, 99180, 102600, 104139, 109620, 110200, 115710, 119016, 119700, 121800, 123975, 137025, 138852, 143640, 148770, 154280, 156600, 165300, 173565, 179550, 182700, 192850, 198360, 208278, 219240, 231420, 239400, 247950, 274050, 277704, 289275, 297540, 330600, 347130, 359100, 365400, 371925, 385700, 416556, 462840, 495900, 520695, 548100, 578550, 595080, 694260, 718200, 743850, 771400, 833112, 867825, 991800, 1041390, 1096200, 1157100, 1388520, 1487700, 1735650, 2082780, 2314200, 2603475, 2975400, 3471300, 4165560, 5206950, 6942600, 10413900, 20827800]

約数ペア:

[(1, 20827800), (2, 10413900), (3, 6942600), (4, 5206950), (5, 4165560), (6, 3471300), (7, 2975400), (8, 2603475), (9, 2314200), (10, 2082780), (12, 1735650), (14, 1487700), (15, 1388520), (18, 1157100), (19, 1096200), (20, 1041390), (21, 991800), (24, 867825), (25, 833112), (27, 771400), (28, 743850), (29, 718200), (30, 694260), (35, 595080), (36, 578550), (38, 548100), (40, 520695), (42, 495900), (45, 462840), (50, 416556), (54, 385700), (56, 371925), (57, 365400), (58, 359100), (60, 347130), (63, 330600), (70, 297540), (72, 289275), (75, 277704), (76, 274050), (84, 247950), (87, 239400), (90, 231420), (95, 219240), (100, 208278), (105, 198360), (108, 192850), (114, 182700), (116, 179550), (120, 173565), (126, 165300), (133, 156600), (135, 154280), (140, 148770), (145, 143640), (150, 138852), (152, 137025), (168, 123975), (171, 121800), (174, 119700), (175, 119016), (180, 115710), (189, 110200), (190, 109620), (200, 104139), (203, 102600), (210, 99180), (216, 96425), (225, 92568), (228, 91350), (232, 89775), (252, 82650), (261, 79800), (266, 78300), (270, 77140), (280, 74385), (285, 73080), (290, 71820), (300, 69426), (315, 66120), (342, 60900), (348, 59850), (350, 59508), (360, 57855), (378, 55100), (380, 54810), (399, 52200), (406, 51300), (420, 49590), (435, 47880), (450, 46284), (456, 45675), (475, 43848), (504, 41325), (513, 40600), (522, 39900), (525, 39672), (532, 39150), (540, 38570), (551, 37800), (570, 36540), (580, 35910), (600, 34713), (609, 34200), (630, 33060), (665, 31320), (675, 30856), (684, 30450), (696, 29925), (700, 29754), (725, 28728), (756, 27550), (760, 27405), (783, 26600), (798, 26100), (812, 25650), (840, 24795), (855, 24360), (870, 23940), (900, 23142), (945, 22040), (950, 21924), (1015, 20520), (1026, 20300), (1044, 19950), (1050, 19836), (1064, 19575), (1080, 19285), (1102, 18900), (1140, 18270), (1160, 17955), (1197, 17400), (1218, 17100), (1260, 16530), (1305, 15960), (1330, 15660), (1350, 15428), (1368, 15225), (1400, 14877), (1425, 14616), (1450, 14364), (1512, 13775), (1566, 13300), (1575, 13224), (1596, 13050), (1624, 12825), (1653, 12600), (1710, 12180), (1740, 11970), (1800, 11571), (1827, 11400), (1890, 11020), (1900, 10962), (1995, 10440), (2030, 10260), (2052, 10150), (2088, 9975), (2100, 9918), (2175, 9576), (2204, 9450), (2280, 9135), (2394, 8700), (2436, 8550), (2520, 8265), (2565, 8120), (2610, 7980), (2660, 7830), (2700, 7714), (2755, 7560), (2850, 7308), (2900, 7182), (3045, 6840), (3132, 6650), (3150, 6612), (3192, 6525), (3306, 6300), (3325, 6264), (3420, 6090), (3480, 5985), (3591, 5800), (3654, 5700), (3780, 5510), (3800, 5481), (3857, 5400), (3915, 5320), (3990, 5220), (4060, 5130), (4104, 5075), (4200, 4959), (4275, 4872), (4350, 4788), (4408, 4725)]