216926320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1249}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 546840000

約数和(自身を除く): 329913680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 167, 208, 260, 334, 520, 668, 835, 1040, 1249, 1336, 1670, 2171, 2498, 2672, 3340, 4342, 4996, 6245, 6680, 8684, 9992, 10855, 12490, 13360, 16237, 17368, 19984, 21710, 24980, 32474, 34736, 43420, 49960, 64948, 81185, 86840, 99920, 129896, 162370, 173680, 208583, 259792, 324740, 417166, 649480, 834332, 1042915, 1298960, 1668664, 2085830, 2711579, 3337328, 4171660, 5423158, 8343320, 10846316, 13557895, 16686640, 21692632, 27115790, 43385264, 54231580, 108463160, 216926320]

約数ペア:

[(1, 216926320), (2, 108463160), (4, 54231580), (5, 43385264), (8, 27115790), (10, 21692632), (13, 16686640), (16, 13557895), (20, 10846316), (26, 8343320), (40, 5423158), (52, 4171660), (65, 3337328), (80, 2711579), (104, 2085830), (130, 1668664), (167, 1298960), (208, 1042915), (260, 834332), (334, 649480), (520, 417166), (668, 324740), (835, 259792), (1040, 208583), (1249, 173680), (1336, 162370), (1670, 129896), (2171, 99920), (2498, 86840), (2672, 81185), (3340, 64948), (4342, 49960), (4996, 43420), (6245, 34736), (6680, 32474), (8684, 24980), (9992, 21710), (10855, 19984), (12490, 17368), (13360, 16237)]