648090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 1778400

約数和(自身を除く): 1130310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 379, 570, 758, 855, 1137, 1710, 1895, 2274, 3411, 3790, 5685, 6822, 7201, 11370, 14402, 17055, 21603, 34110, 36005, 43206, 64809, 72010, 108015, 129618, 216030, 324045, 648090]

約数ペア:

[(1, 648090), (2, 324045), (3, 216030), (5, 129618), (6, 108015), (9, 72010), (10, 64809), (15, 43206), (18, 36005), (19, 34110), (30, 21603), (38, 17055), (45, 14402), (57, 11370), (90, 7201), (95, 6822), (114, 5685), (171, 3790), (190, 3411), (285, 2274), (342, 1895), (379, 1710), (570, 1137), (758, 855)]