71272960

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2565

約数の個数: 80

約数和(自身を含む): 186496992

約数和(自身を除く): 115224032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2531, 2560, 2816, 3520, 5062, 5632, 7040, 10124, 12655, 14080, 20248, 25310, 27841, 28160, 40496, 50620, 55682, 80992, 101240, 111364, 139205, 161984, 202480, 222728, 278410, 323968, 404960, 445456, 556820, 647936, 809920, 890912, 1113640, 1295872, 1619840, 1781824, 2227280, 3239680, 3563648, 4454560, 6479360, 7127296, 8909120, 14254592, 17818240, 35636480, 71272960]

約数ペア:

[(1, 71272960), (2, 35636480), (4, 17818240), (5, 14254592), (8, 8909120), (10, 7127296), (11, 6479360), (16, 4454560), (20, 3563648), (22, 3239680), (32, 2227280), (40, 1781824), (44, 1619840), (55, 1295872), (64, 1113640), (80, 890912), (88, 809920), (110, 647936), (128, 556820), (160, 445456), (176, 404960), (220, 323968), (256, 278410), (320, 222728), (352, 202480), (440, 161984), (512, 139205), (640, 111364), (704, 101240), (880, 80992), (1280, 55682), (1408, 50620), (1760, 40496), (2531, 28160), (2560, 27841), (2816, 25310), (3520, 20248), (5062, 14080), (5632, 12655), (7040, 10124)]