726487960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{31153}}^1$

素因数の和:31228

約数の個数: 64

約数和(自身を含む): 1816901280

約数和(自身を除く): 1090413320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2915, 4664, 5830, 11660, 23320, 31153, 62306, 124612, 155765, 249224, 311530, 342683, 623060, 685366, 1246120, 1370732, 1651109, 1713415, 2741464, 3302218, 3426830, 6604436, 6853660, 8255545, 13208872, 13707320, 16511090, 18162199, 33022180, 36324398, 66044360, 72648796, 90810995, 145297592, 181621990, 363243980, 726487960]

約数ペア:

[(1, 726487960), (2, 363243980), (4, 181621990), (5, 145297592), (8, 90810995), (10, 72648796), (11, 66044360), (20, 36324398), (22, 33022180), (40, 18162199), (44, 16511090), (53, 13707320), (55, 13208872), (88, 8255545), (106, 6853660), (110, 6604436), (212, 3426830), (220, 3302218), (265, 2741464), (424, 1713415), (440, 1651109), (530, 1370732), (583, 1246120), (1060, 685366), (1166, 623060), (2120, 342683), (2332, 311530), (2915, 249224), (4664, 155765), (5830, 124612), (11660, 62306), (23320, 31153)]