1555504440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{25367}}^1$

素因数の和:25461

約数の個数: 128

約数和(自身を含む): 5406428160

約数和(自身を除く): 3850923720

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, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 15330, 20440, 25367, 30660, 50734, 61320, 76101, 101468, 126835, 152202, 177569, 202936, 253670, 304404, 355138, 380505, 507340, 532707, 608808, 710276, 761010, 887845, 1014680, 1065414, 1420552, 1522020, 1775690, 1851791, 2130828, 2663535, 3044040, 3551380, 3703582, 4261656, 5327070, 5555373, 7102760, 7407164, 9258955, 10654140, 11110746, 12962537, 14814328, 18517910, 21308280, 22221492, 25925074, 27776865, 37035820, 38887611, 44442984, 51850148, 55553730, 64812685, 74071640, 77775222, 103700296, 111107460, 129625370, 155550444, 194438055, 222214920, 259250740, 311100888, 388876110, 518501480, 777752220, 1555504440]

約数ペア:

[(1, 1555504440), (2, 777752220), (3, 518501480), (4, 388876110), (5, 311100888), (6, 259250740), (7, 222214920), (8, 194438055), (10, 155550444), (12, 129625370), (14, 111107460), (15, 103700296), (20, 77775222), (21, 74071640), (24, 64812685), (28, 55553730), (30, 51850148), (35, 44442984), (40, 38887611), (42, 37035820), (56, 27776865), (60, 25925074), (70, 22221492), (73, 21308280), (84, 18517910), (105, 14814328), (120, 12962537), (140, 11110746), (146, 10654140), (168, 9258955), (210, 7407164), (219, 7102760), (280, 5555373), (292, 5327070), (365, 4261656), (420, 3703582), (438, 3551380), (511, 3044040), (584, 2663535), (730, 2130828), (840, 1851791), (876, 1775690), (1022, 1522020), (1095, 1420552), (1460, 1065414), (1533, 1014680), (1752, 887845), (2044, 761010), (2190, 710276), (2555, 608808), (2920, 532707), (3066, 507340), (4088, 380505), (4380, 355138), (5110, 304404), (6132, 253670), (7665, 202936), (8760, 177569), (10220, 152202), (12264, 126835), (15330, 101468), (20440, 76101), (25367, 61320), (30660, 50734)]