90149680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 222842880

約数和(自身を除く): 132693200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 467, 508, 635, 760, 934, 1016, 1270, 1520, 1868, 2032, 2335, 2413, 2540, 3736, 4670, 4826, 5080, 7472, 8873, 9340, 9652, 10160, 12065, 17746, 18680, 19304, 24130, 35492, 37360, 38608, 44365, 48260, 59309, 70984, 88730, 96520, 118618, 141968, 177460, 193040, 237236, 296545, 354920, 474472, 593090, 709840, 948944, 1126871, 1186180, 2253742, 2372360, 4507484, 4744720, 5634355, 9014968, 11268710, 18029936, 22537420, 45074840, 90149680]

約数ペア:

[(1, 90149680), (2, 45074840), (4, 22537420), (5, 18029936), (8, 11268710), (10, 9014968), (16, 5634355), (19, 4744720), (20, 4507484), (38, 2372360), (40, 2253742), (76, 1186180), (80, 1126871), (95, 948944), (127, 709840), (152, 593090), (190, 474472), (254, 354920), (304, 296545), (380, 237236), (467, 193040), (508, 177460), (635, 141968), (760, 118618), (934, 96520), (1016, 88730), (1270, 70984), (1520, 59309), (1868, 48260), (2032, 44365), (2335, 38608), (2413, 37360), (2540, 35492), (3736, 24130), (4670, 19304), (4826, 18680), (5080, 17746), (7472, 12065), (8873, 10160), (9340, 9652)]