90765280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 229370400

約数和(自身を除く): 138605120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 73, 76, 80, 95, 146, 152, 160, 190, 292, 304, 365, 380, 409, 584, 608, 730, 760, 818, 1168, 1387, 1460, 1520, 1636, 2045, 2336, 2774, 2920, 3040, 3272, 4090, 5548, 5840, 6544, 6935, 7771, 8180, 11096, 11680, 13088, 13870, 15542, 16360, 22192, 27740, 29857, 31084, 32720, 38855, 44384, 55480, 59714, 62168, 65440, 77710, 110960, 119428, 124336, 149285, 155420, 221920, 238856, 248672, 298570, 310840, 477712, 567283, 597140, 621680, 955424, 1134566, 1194280, 1243360, 2269132, 2388560, 2836415, 4538264, 4777120, 5672830, 9076528, 11345660, 18153056, 22691320, 45382640, 90765280]

約数ペア:

[(1, 90765280), (2, 45382640), (4, 22691320), (5, 18153056), (8, 11345660), (10, 9076528), (16, 5672830), (19, 4777120), (20, 4538264), (32, 2836415), (38, 2388560), (40, 2269132), (73, 1243360), (76, 1194280), (80, 1134566), (95, 955424), (146, 621680), (152, 597140), (160, 567283), (190, 477712), (292, 310840), (304, 298570), (365, 248672), (380, 238856), (409, 221920), (584, 155420), (608, 149285), (730, 124336), (760, 119428), (818, 110960), (1168, 77710), (1387, 65440), (1460, 62168), (1520, 59714), (1636, 55480), (2045, 44384), (2336, 38855), (2774, 32720), (2920, 31084), (3040, 29857), (3272, 27740), (4090, 22192), (5548, 16360), (5840, 15542), (6544, 13870), (6935, 13088), (7771, 11680), (8180, 11096)]