90081640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12043}}^1$

素因数の和:12082

約数の個数: 64

約数和(自身を含む): 234135360

約数和(自身を除く): 144053720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 12043, 24086, 48172, 60215, 96344, 120430, 132473, 204731, 240860, 264946, 409462, 481720, 529892, 662365, 818924, 1023655, 1059784, 1324730, 1637848, 2047310, 2252041, 2649460, 4094620, 4504082, 5298920, 8189240, 9008164, 11260205, 18016328, 22520410, 45040820, 90081640]

約数ペア:

[(1, 90081640), (2, 45040820), (4, 22520410), (5, 18016328), (8, 11260205), (10, 9008164), (11, 8189240), (17, 5298920), (20, 4504082), (22, 4094620), (34, 2649460), (40, 2252041), (44, 2047310), (55, 1637848), (68, 1324730), (85, 1059784), (88, 1023655), (110, 818924), (136, 662365), (170, 529892), (187, 481720), (220, 409462), (340, 264946), (374, 240860), (440, 204731), (680, 132473), (748, 120430), (935, 96344), (1496, 60215), (1870, 48172), (3740, 24086), (7480, 12043)]