130890780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1481}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 398112624

約数和(自身を除く): 267221844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1481, 1964, 2455, 2946, 2962, 4419, 4443, 4910, 5892, 5924, 7365, 7405, 8838, 8886, 9820, 13329, 14730, 14810, 17676, 17772, 22095, 22215, 26658, 29460, 29620, 44190, 44430, 53316, 66645, 88380, 88860, 133290, 266580, 727171, 1454342, 2181513, 2908684, 3635855, 4363026, 6544539, 7271710, 8726052, 10907565, 13089078, 14543420, 21815130, 26178156, 32722695, 43630260, 65445390, 130890780]

約数ペア:

[(1, 130890780), (2, 65445390), (3, 43630260), (4, 32722695), (5, 26178156), (6, 21815130), (9, 14543420), (10, 13089078), (12, 10907565), (15, 8726052), (18, 7271710), (20, 6544539), (30, 4363026), (36, 3635855), (45, 2908684), (60, 2181513), (90, 1454342), (180, 727171), (491, 266580), (982, 133290), (1473, 88860), (1481, 88380), (1964, 66645), (2455, 53316), (2946, 44430), (2962, 44190), (4419, 29620), (4443, 29460), (4910, 26658), (5892, 22215), (5924, 22095), (7365, 17772), (7405, 17676), (8838, 14810), (8886, 14730), (9820, 13329)]