81465240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12809}}^1$

素因数の和:12876

約数の個数: 64

約数和(自身を含む): 249026400

約数和(自身を除く): 167561160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 12809, 25618, 38427, 51236, 64045, 76854, 102472, 128090, 153708, 192135, 256180, 307416, 384270, 512360, 678877, 768540, 1357754, 1537080, 2036631, 2715508, 3394385, 4073262, 5431016, 6788770, 8146524, 10183155, 13577540, 16293048, 20366310, 27155080, 40732620, 81465240]

約数ペア:

[(1, 81465240), (2, 40732620), (3, 27155080), (4, 20366310), (5, 16293048), (6, 13577540), (8, 10183155), (10, 8146524), (12, 6788770), (15, 5431016), (20, 4073262), (24, 3394385), (30, 2715508), (40, 2036631), (53, 1537080), (60, 1357754), (106, 768540), (120, 678877), (159, 512360), (212, 384270), (265, 307416), (318, 256180), (424, 192135), (530, 153708), (636, 128090), (795, 102472), (1060, 76854), (1272, 64045), (1590, 51236), (2120, 38427), (3180, 25618), (6360, 12809)]