162760400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 120

約数和(自身を含む): 433418688

約数和(自身を除く): 270658288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 71, 80, 88, 100, 110, 142, 176, 200, 220, 275, 284, 355, 400, 440, 521, 550, 568, 710, 781, 880, 1042, 1100, 1136, 1420, 1562, 1775, 2084, 2200, 2605, 2840, 3124, 3550, 3905, 4168, 4400, 5210, 5680, 5731, 6248, 7100, 7810, 8336, 10420, 11462, 12496, 13025, 14200, 15620, 19525, 20840, 22924, 26050, 28400, 28655, 31240, 36991, 39050, 41680, 45848, 52100, 57310, 62480, 73982, 78100, 91696, 104200, 114620, 143275, 147964, 156200, 184955, 208400, 229240, 286550, 295928, 312400, 369910, 406901, 458480, 573100, 591856, 739820, 813802, 924775, 1146200, 1479640, 1627604, 1849550, 2034505, 2292400, 2959280, 3255208, 3699100, 4069010, 6510416, 7398200, 8138020, 10172525, 14796400, 16276040, 20345050, 32552080, 40690100, 81380200, 162760400]

約数ペア:

[(1, 162760400), (2, 81380200), (4, 40690100), (5, 32552080), (8, 20345050), (10, 16276040), (11, 14796400), (16, 10172525), (20, 8138020), (22, 7398200), (25, 6510416), (40, 4069010), (44, 3699100), (50, 3255208), (55, 2959280), (71, 2292400), (80, 2034505), (88, 1849550), (100, 1627604), (110, 1479640), (142, 1146200), (176, 924775), (200, 813802), (220, 739820), (275, 591856), (284, 573100), (355, 458480), (400, 406901), (440, 369910), (521, 312400), (550, 295928), (568, 286550), (710, 229240), (781, 208400), (880, 184955), (1042, 156200), (1100, 147964), (1136, 143275), (1420, 114620), (1562, 104200), (1775, 91696), (2084, 78100), (2200, 73982), (2605, 62480), (2840, 57310), (3124, 52100), (3550, 45848), (3905, 41680), (4168, 39050), (4400, 36991), (5210, 31240), (5680, 28655), (5731, 28400), (6248, 26050), (7100, 22924), (7810, 20840), (8336, 19525), (10420, 15620), (11462, 14200), (12496, 13025)]