213530520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1091}}^1$

素因数の和:1345

約数の個数: 128

約数和(自身を含む): 735920640

約数和(自身を除く): 522390120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 233, 280, 420, 466, 699, 840, 932, 1091, 1165, 1398, 1631, 1864, 2182, 2330, 2796, 3262, 3273, 3495, 4364, 4660, 4893, 5455, 5592, 6524, 6546, 6990, 7637, 8155, 8728, 9320, 9786, 10910, 13048, 13092, 13980, 15274, 16310, 16365, 19572, 21820, 22911, 24465, 26184, 27960, 30548, 32620, 32730, 38185, 39144, 43640, 45822, 48930, 61096, 65240, 65460, 76370, 91644, 97860, 114555, 130920, 152740, 183288, 195720, 229110, 254203, 305480, 458220, 508406, 762609, 916440, 1016812, 1271015, 1525218, 1779421, 2033624, 2542030, 3050436, 3558842, 3813045, 5084060, 5338263, 6100872, 7117684, 7626090, 8897105, 10168120, 10676526, 14235368, 15252180, 17794210, 21353052, 26691315, 30504360, 35588420, 42706104, 53382630, 71176840, 106765260, 213530520]

約数ペア:

[(1, 213530520), (2, 106765260), (3, 71176840), (4, 53382630), (5, 42706104), (6, 35588420), (7, 30504360), (8, 26691315), (10, 21353052), (12, 17794210), (14, 15252180), (15, 14235368), (20, 10676526), (21, 10168120), (24, 8897105), (28, 7626090), (30, 7117684), (35, 6100872), (40, 5338263), (42, 5084060), (56, 3813045), (60, 3558842), (70, 3050436), (84, 2542030), (105, 2033624), (120, 1779421), (140, 1525218), (168, 1271015), (210, 1016812), (233, 916440), (280, 762609), (420, 508406), (466, 458220), (699, 305480), (840, 254203), (932, 229110), (1091, 195720), (1165, 183288), (1398, 152740), (1631, 130920), (1864, 114555), (2182, 97860), (2330, 91644), (2796, 76370), (3262, 65460), (3273, 65240), (3495, 61096), (4364, 48930), (4660, 45822), (4893, 43640), (5455, 39144), (5592, 38185), (6524, 32730), (6546, 32620), (6990, 30548), (7637, 27960), (8155, 26184), (8728, 24465), (9320, 22911), (9786, 21820), (10910, 19572), (13048, 16365), (13092, 16310), (13980, 15274)]