645810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 1797120

約数和(自身を除く): 1151310

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 103, 110, 114, 165, 190, 206, 209, 285, 309, 330, 418, 515, 570, 618, 627, 1030, 1045, 1133, 1254, 1545, 1957, 2090, 2266, 3090, 3135, 3399, 3914, 5665, 5871, 6270, 6798, 9785, 11330, 11742, 16995, 19570, 21527, 29355, 33990, 43054, 58710, 64581, 107635, 129162, 215270, 322905, 645810]

約数ペア:

[(1, 645810), (2, 322905), (3, 215270), (5, 129162), (6, 107635), (10, 64581), (11, 58710), (15, 43054), (19, 33990), (22, 29355), (30, 21527), (33, 19570), (38, 16995), (55, 11742), (57, 11330), (66, 9785), (95, 6798), (103, 6270), (110, 5871), (114, 5665), (165, 3914), (190, 3399), (206, 3135), (209, 3090), (285, 2266), (309, 2090), (330, 1957), (418, 1545), (515, 1254), (570, 1133), (618, 1045), (627, 1030)]