81666900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 288

約数和(自身を含む): 312480000

約数和(自身を除く): 230813100

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, 50, 54, 58, 60, 63, 70, 75, 84, 87, 90, 100, 105, 108, 116, 126, 135, 140, 145, 149, 150, 174, 175, 180, 189, 203, 210, 225, 252, 261, 270, 290, 298, 300, 315, 348, 350, 378, 406, 420, 435, 447, 450, 522, 525, 540, 580, 596, 609, 630, 675, 700, 725, 745, 756, 783, 812, 870, 894, 900, 945, 1015, 1043, 1044, 1050, 1218, 1260, 1305, 1341, 1350, 1450, 1490, 1566, 1575, 1740, 1788, 1827, 1890, 2030, 2086, 2100, 2175, 2235, 2436, 2610, 2682, 2700, 2900, 2980, 3045, 3129, 3132, 3150, 3654, 3725, 3780, 3915, 4023, 4060, 4172, 4321, 4350, 4470, 4725, 5075, 5215, 5220, 5364, 5481, 6090, 6258, 6300, 6525, 6705, 7308, 7450, 7830, 8046, 8642, 8700, 8940, 9135, 9387, 9450, 10150, 10430, 10962, 11175, 12180, 12516, 12963, 13050, 13410, 14900, 15225, 15645, 15660, 16092, 17284, 18270, 18774, 18900, 19575, 20115, 20300, 20860, 21605, 21924, 22350, 25926, 26075, 26100, 26820, 27405, 28161, 30247, 30450, 31290, 33525, 36540, 37548, 38889, 39150, 40230, 43210, 44700, 45675, 46935, 51852, 52150, 54810, 56322, 60494, 60900, 62580, 64815, 67050, 77778, 78225, 78300, 80460, 86420, 90741, 91350, 93870, 100575, 104300, 108025, 109620, 112644, 116667, 120988, 129630, 134100, 137025, 140805, 151235, 155556, 156450, 181482, 182700, 187740, 194445, 201150, 216050, 233334, 234675, 259260, 272223, 274050, 281610, 302470, 312900, 324075, 362964, 388890, 402300, 432100, 453705, 466668, 469350, 544446, 548100, 563220, 583335, 604940, 648150, 704025, 756175, 777780, 816669, 907410, 938700, 972225, 1088892, 1166670, 1296300, 1361115, 1408050, 1512350, 1633338, 1814820, 1944450, 2268525, 2333340, 2722230, 2816100, 2916675, 3024700, 3266676, 3888900, 4083345, 4537050, 5444460, 5833350, 6805575, 8166690, 9074100, 11666700, 13611150, 16333380, 20416725, 27222300, 40833450, 81666900]

約数ペア:

[(1, 81666900), (2, 40833450), (3, 27222300), (4, 20416725), (5, 16333380), (6, 13611150), (7, 11666700), (9, 9074100), (10, 8166690), (12, 6805575), (14, 5833350), (15, 5444460), (18, 4537050), (20, 4083345), (21, 3888900), (25, 3266676), (27, 3024700), (28, 2916675), (29, 2816100), (30, 2722230), (35, 2333340), (36, 2268525), (42, 1944450), (45, 1814820), (50, 1633338), (54, 1512350), (58, 1408050), (60, 1361115), (63, 1296300), (70, 1166670), (75, 1088892), (84, 972225), (87, 938700), (90, 907410), (100, 816669), (105, 777780), (108, 756175), (116, 704025), (126, 648150), (135, 604940), (140, 583335), (145, 563220), (149, 548100), (150, 544446), (174, 469350), (175, 466668), (180, 453705), (189, 432100), (203, 402300), (210, 388890), (225, 362964), (252, 324075), (261, 312900), (270, 302470), (290, 281610), (298, 274050), (300, 272223), (315, 259260), (348, 234675), (350, 233334), (378, 216050), (406, 201150), (420, 194445), (435, 187740), (447, 182700), (450, 181482), (522, 156450), (525, 155556), (540, 151235), (580, 140805), (596, 137025), (609, 134100), (630, 129630), (675, 120988), (700, 116667), (725, 112644), (745, 109620), (756, 108025), (783, 104300), (812, 100575), (870, 93870), (894, 91350), (900, 90741), (945, 86420), (1015, 80460), (1043, 78300), (1044, 78225), (1050, 77778), (1218, 67050), (1260, 64815), (1305, 62580), (1341, 60900), (1350, 60494), (1450, 56322), (1490, 54810), (1566, 52150), (1575, 51852), (1740, 46935), (1788, 45675), (1827, 44700), (1890, 43210), (2030, 40230), (2086, 39150), (2100, 38889), (2175, 37548), (2235, 36540), (2436, 33525), (2610, 31290), (2682, 30450), (2700, 30247), (2900, 28161), (2980, 27405), (3045, 26820), (3129, 26100), (3132, 26075), (3150, 25926), (3654, 22350), (3725, 21924), (3780, 21605), (3915, 20860), (4023, 20300), (4060, 20115), (4172, 19575), (4321, 18900), (4350, 18774), (4470, 18270), (4725, 17284), (5075, 16092), (5215, 15660), (5220, 15645), (5364, 15225), (5481, 14900), (6090, 13410), (6258, 13050), (6300, 12963), (6525, 12516), (6705, 12180), (7308, 11175), (7450, 10962), (7830, 10430), (8046, 10150), (8642, 9450), (8700, 9387), (8940, 9135)]