74795920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 188559360

約数和(自身を除く): 113763440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1279, 1360, 1462, 1720, 2558, 2924, 3440, 3655, 5116, 5848, 6395, 7310, 10232, 11696, 12790, 14620, 20464, 21743, 25580, 29240, 43486, 51160, 54997, 58480, 86972, 102320, 108715, 109994, 173944, 217430, 219988, 274985, 347888, 434860, 439976, 549970, 869720, 879952, 934949, 1099940, 1739440, 1869898, 2199880, 3739796, 4399760, 4674745, 7479592, 9349490, 14959184, 18698980, 37397960, 74795920]

約数ペア:

[(1, 74795920), (2, 37397960), (4, 18698980), (5, 14959184), (8, 9349490), (10, 7479592), (16, 4674745), (17, 4399760), (20, 3739796), (34, 2199880), (40, 1869898), (43, 1739440), (68, 1099940), (80, 934949), (85, 879952), (86, 869720), (136, 549970), (170, 439976), (172, 434860), (215, 347888), (272, 274985), (340, 219988), (344, 217430), (430, 173944), (680, 109994), (688, 108715), (731, 102320), (860, 86972), (1279, 58480), (1360, 54997), (1462, 51160), (1720, 43486), (2558, 29240), (2924, 25580), (3440, 21743), (3655, 20464), (5116, 14620), (5848, 12790), (6395, 11696), (7310, 10232)]