204680560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1153}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 546054336

約数和(自身を除く): 341373776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 317, 560, 634, 1153, 1268, 1585, 2219, 2306, 2536, 3170, 4438, 4612, 5072, 5765, 6340, 8071, 8876, 9224, 11095, 11530, 12680, 16142, 17752, 18448, 22190, 23060, 25360, 32284, 35504, 40355, 44380, 46120, 64568, 80710, 88760, 92240, 129136, 161420, 177520, 322840, 365501, 645680, 731002, 1462004, 1827505, 2558507, 2924008, 3655010, 5117014, 5848016, 7310020, 10234028, 12792535, 14620040, 20468056, 25585070, 29240080, 40936112, 51170140, 102340280, 204680560]

約数ペア:

[(1, 204680560), (2, 102340280), (4, 51170140), (5, 40936112), (7, 29240080), (8, 25585070), (10, 20468056), (14, 14620040), (16, 12792535), (20, 10234028), (28, 7310020), (35, 5848016), (40, 5117014), (56, 3655010), (70, 2924008), (80, 2558507), (112, 1827505), (140, 1462004), (280, 731002), (317, 645680), (560, 365501), (634, 322840), (1153, 177520), (1268, 161420), (1585, 129136), (2219, 92240), (2306, 88760), (2536, 80710), (3170, 64568), (4438, 46120), (4612, 44380), (5072, 40355), (5765, 35504), (6340, 32284), (8071, 25360), (8876, 23060), (9224, 22190), (11095, 18448), (11530, 17752), (12680, 16142)]