30487789480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{571789}}^1$

素因数の和:571874

約数の個数: 64

約数和(自身を含む): 72457228800

約数和(自身を除く): 41969439320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 5332, 6665, 10664, 13330, 26660, 53320, 571789, 1143578, 2287156, 2858945, 4574312, 5717890, 11435780, 17725459, 22871560, 24586927, 35450918, 49173854, 70901836, 88627295, 98347708, 122934635, 141803672, 177254590, 196695416, 245869270, 354509180, 491738540, 709018360, 762194737, 983477080, 1524389474, 3048778948, 3810973685, 6097557896, 7621947370, 15243894740, 30487789480]

約数ペア:

[(1, 30487789480), (2, 15243894740), (4, 7621947370), (5, 6097557896), (8, 3810973685), (10, 3048778948), (20, 1524389474), (31, 983477080), (40, 762194737), (43, 709018360), (62, 491738540), (86, 354509180), (124, 245869270), (155, 196695416), (172, 177254590), (215, 141803672), (248, 122934635), (310, 98347708), (344, 88627295), (430, 70901836), (620, 49173854), (860, 35450918), (1240, 24586927), (1333, 22871560), (1720, 17725459), (2666, 11435780), (5332, 5717890), (6665, 4574312), (10664, 2858945), (13330, 2287156), (26660, 1143578), (53320, 571789)]