2012257120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{569}}^1$

素因数の和:669

約数の個数: 144

約数和(自身を含む): 5134842720

約数和(自身を除く): 3122585600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 368, 460, 496, 569, 620, 713, 736, 920, 961, 992, 1138, 1240, 1426, 1840, 1922, 2276, 2480, 2845, 2852, 3565, 3680, 3844, 4552, 4805, 4960, 5690, 5704, 7130, 7688, 9104, 9610, 11380, 11408, 13087, 14260, 15376, 17639, 18208, 19220, 22103, 22760, 22816, 26174, 28520, 30752, 35278, 38440, 44206, 45520, 52348, 57040, 65435, 70556, 76880, 88195, 88412, 91040, 104696, 110515, 114080, 130870, 141112, 153760, 176390, 176824, 209392, 221030, 261740, 282224, 352780, 353648, 405697, 418784, 442060, 523480, 546809, 564448, 705560, 707296, 811394, 884120, 1046960, 1093618, 1411120, 1622788, 1768240, 2028485, 2093920, 2187236, 2734045, 2822240, 3245576, 3536480, 4056970, 4374472, 5468090, 6491152, 8113940, 8748944, 10936180, 12576607, 12982304, 16227880, 17497888, 21872360, 25153214, 32455760, 43744720, 50306428, 62883035, 64911520, 87489440, 100612856, 125766070, 201225712, 251532140, 402451424, 503064280, 1006128560, 2012257120]

約数ペア:

[(1, 2012257120), (2, 1006128560), (4, 503064280), (5, 402451424), (8, 251532140), (10, 201225712), (16, 125766070), (20, 100612856), (23, 87489440), (31, 64911520), (32, 62883035), (40, 50306428), (46, 43744720), (62, 32455760), (80, 25153214), (92, 21872360), (115, 17497888), (124, 16227880), (155, 12982304), (160, 12576607), (184, 10936180), (230, 8748944), (248, 8113940), (310, 6491152), (368, 5468090), (460, 4374472), (496, 4056970), (569, 3536480), (620, 3245576), (713, 2822240), (736, 2734045), (920, 2187236), (961, 2093920), (992, 2028485), (1138, 1768240), (1240, 1622788), (1426, 1411120), (1840, 1093618), (1922, 1046960), (2276, 884120), (2480, 811394), (2845, 707296), (2852, 705560), (3565, 564448), (3680, 546809), (3844, 523480), (4552, 442060), (4805, 418784), (4960, 405697), (5690, 353648), (5704, 352780), (7130, 282224), (7688, 261740), (9104, 221030), (9610, 209392), (11380, 176824), (11408, 176390), (13087, 153760), (14260, 141112), (15376, 130870), (17639, 114080), (18208, 110515), (19220, 104696), (22103, 91040), (22760, 88412), (22816, 88195), (26174, 76880), (28520, 70556), (30752, 65435), (35278, 57040), (38440, 52348), (44206, 45520)]