90843640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1201}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 214629120

約数和(自身を除く): 123785480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1201, 1220, 1240, 1891, 2402, 2440, 3782, 4804, 6005, 7564, 9455, 9608, 12010, 15128, 18910, 24020, 37231, 37820, 48040, 73261, 74462, 75640, 146522, 148924, 186155, 293044, 297848, 366305, 372310, 586088, 732610, 744620, 1465220, 1489240, 2271091, 2930440, 4542182, 9084364, 11355455, 18168728, 22710910, 45421820, 90843640]

約数ペア:

[(1, 90843640), (2, 45421820), (4, 22710910), (5, 18168728), (8, 11355455), (10, 9084364), (20, 4542182), (31, 2930440), (40, 2271091), (61, 1489240), (62, 1465220), (122, 744620), (124, 732610), (155, 586088), (244, 372310), (248, 366305), (305, 297848), (310, 293044), (488, 186155), (610, 148924), (620, 146522), (1201, 75640), (1220, 74462), (1240, 73261), (1891, 48040), (2402, 37820), (2440, 37231), (3782, 24020), (4804, 18910), (6005, 15128), (7564, 12010), (9455, 9608)]