399603420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{1499}}^1$

素因数の和:2995

約数の個数: 72

約数和(自身を含む): 1213758000

約数和(自身を除く): 814154580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1481, 1499, 2962, 2998, 4443, 4497, 5924, 5996, 7405, 7495, 8886, 8994, 13329, 13491, 14810, 14990, 17772, 17988, 22215, 22485, 26658, 26982, 29620, 29980, 44430, 44970, 53316, 53964, 66645, 67455, 88860, 89940, 133290, 134910, 266580, 269820, 2220019, 4440038, 6660057, 8880076, 11100095, 13320114, 19980171, 22200190, 26640228, 33300285, 39960342, 44400380, 66600570, 79920684, 99900855, 133201140, 199801710, 399603420]

約数ペア:

[(1, 399603420), (2, 199801710), (3, 133201140), (4, 99900855), (5, 79920684), (6, 66600570), (9, 44400380), (10, 39960342), (12, 33300285), (15, 26640228), (18, 22200190), (20, 19980171), (30, 13320114), (36, 11100095), (45, 8880076), (60, 6660057), (90, 4440038), (180, 2220019), (1481, 269820), (1499, 266580), (2962, 134910), (2998, 133290), (4443, 89940), (4497, 88860), (5924, 67455), (5996, 66645), (7405, 53964), (7495, 53316), (8886, 44970), (8994, 44430), (13329, 29980), (13491, 29620), (14810, 26982), (14990, 26658), (17772, 22485), (17988, 22215)]