90928880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:826

約数の個数: 80

約数和(自身を含む): 242811840

約数和(自身を除く): 151882960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 397, 409, 560, 794, 818, 1588, 1636, 1985, 2045, 2779, 2863, 3176, 3272, 3970, 4090, 5558, 5726, 6352, 6544, 7940, 8180, 11116, 11452, 13895, 14315, 15880, 16360, 22232, 22904, 27790, 28630, 31760, 32720, 44464, 45808, 55580, 57260, 111160, 114520, 162373, 222320, 229040, 324746, 649492, 811865, 1136611, 1298984, 1623730, 2273222, 2597968, 3247460, 4546444, 5683055, 6494920, 9092888, 11366110, 12989840, 18185776, 22732220, 45464440, 90928880]

約数ペア:

[(1, 90928880), (2, 45464440), (4, 22732220), (5, 18185776), (7, 12989840), (8, 11366110), (10, 9092888), (14, 6494920), (16, 5683055), (20, 4546444), (28, 3247460), (35, 2597968), (40, 2273222), (56, 1623730), (70, 1298984), (80, 1136611), (112, 811865), (140, 649492), (280, 324746), (397, 229040), (409, 222320), (560, 162373), (794, 114520), (818, 111160), (1588, 57260), (1636, 55580), (1985, 45808), (2045, 44464), (2779, 32720), (2863, 31760), (3176, 28630), (3272, 27790), (3970, 22904), (4090, 22232), (5558, 16360), (5726, 15880), (6352, 14315), (6544, 13895), (7940, 11452), (8180, 11116)]