72411560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1063}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 176964480

約数和(自身を除く): 104552920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1063, 1310, 1703, 2126, 2620, 3406, 4252, 5240, 5315, 6812, 8504, 8515, 10630, 13624, 13819, 17030, 21260, 27638, 34060, 42520, 55276, 68120, 69095, 110552, 138190, 139253, 276380, 278506, 552760, 557012, 696265, 1114024, 1392530, 1810289, 2785060, 3620578, 5570120, 7241156, 9051445, 14482312, 18102890, 36205780, 72411560]

約数ペア:

[(1, 72411560), (2, 36205780), (4, 18102890), (5, 14482312), (8, 9051445), (10, 7241156), (13, 5570120), (20, 3620578), (26, 2785060), (40, 1810289), (52, 1392530), (65, 1114024), (104, 696265), (130, 557012), (131, 552760), (260, 278506), (262, 276380), (520, 139253), (524, 138190), (655, 110552), (1048, 69095), (1063, 68120), (1310, 55276), (1703, 42520), (2126, 34060), (2620, 27638), (3406, 21260), (4252, 17030), (5240, 13819), (5315, 13624), (6812, 10630), (8504, 8515)]