72672640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4937}}^1$

素因数の和:4979

約数の個数: 64

約数和(自身を含む): 181323360

約数和(自身を除く): 108650720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 4937, 7360, 9874, 14720, 19748, 24685, 39496, 49370, 78992, 98740, 113551, 157984, 197480, 227102, 315968, 394960, 454204, 567755, 631936, 789920, 908408, 1135510, 1579840, 1816816, 2271020, 3159680, 3633632, 4542040, 7267264, 9084080, 14534528, 18168160, 36336320, 72672640]

約数ペア:

[(1, 72672640), (2, 36336320), (4, 18168160), (5, 14534528), (8, 9084080), (10, 7267264), (16, 4542040), (20, 3633632), (23, 3159680), (32, 2271020), (40, 1816816), (46, 1579840), (64, 1135510), (80, 908408), (92, 789920), (115, 631936), (128, 567755), (160, 454204), (184, 394960), (230, 315968), (320, 227102), (368, 197480), (460, 157984), (640, 113551), (736, 98740), (920, 78992), (1472, 49370), (1840, 39496), (2944, 24685), (3680, 19748), (4937, 14720), (7360, 9874)]