28954620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5189}}^1$

素因数の和:5235

約数の個数: 72

約数和(自身を含む): 90679680

約数和(自身を除く): 61725060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5189, 5580, 10378, 15567, 20756, 25945, 31134, 46701, 51890, 62268, 77835, 93402, 103780, 155670, 160859, 186804, 233505, 311340, 321718, 467010, 482577, 643436, 804295, 934020, 965154, 1447731, 1608590, 1930308, 2412885, 2895462, 3217180, 4825770, 5790924, 7238655, 9651540, 14477310, 28954620]

約数ペア:

[(1, 28954620), (2, 14477310), (3, 9651540), (4, 7238655), (5, 5790924), (6, 4825770), (9, 3217180), (10, 2895462), (12, 2412885), (15, 1930308), (18, 1608590), (20, 1447731), (30, 965154), (31, 934020), (36, 804295), (45, 643436), (60, 482577), (62, 467010), (90, 321718), (93, 311340), (124, 233505), (155, 186804), (180, 160859), (186, 155670), (279, 103780), (310, 93402), (372, 77835), (465, 62268), (558, 51890), (620, 46701), (930, 31134), (1116, 25945), (1395, 20756), (1860, 15567), (2790, 10378), (5189, 5580)]