81563640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6599}}^1$

素因数の和:6716

約数の個数: 64

約数和(自身を含む): 247104000

約数和(自身を除く): 165540360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 6599, 12360, 13198, 19797, 26396, 32995, 39594, 52792, 65990, 79188, 98985, 131980, 158376, 197970, 263960, 395940, 679697, 791880, 1359394, 2039091, 2718788, 3398485, 4078182, 5437576, 6796970, 8156364, 10195455, 13593940, 16312728, 20390910, 27187880, 40781820, 81563640]

約数ペア:

[(1, 81563640), (2, 40781820), (3, 27187880), (4, 20390910), (5, 16312728), (6, 13593940), (8, 10195455), (10, 8156364), (12, 6796970), (15, 5437576), (20, 4078182), (24, 3398485), (30, 2718788), (40, 2039091), (60, 1359394), (103, 791880), (120, 679697), (206, 395940), (309, 263960), (412, 197970), (515, 158376), (618, 131980), (824, 98985), (1030, 79188), (1236, 65990), (1545, 52792), (2060, 39594), (2472, 32995), (3090, 26396), (4120, 19797), (6180, 13198), (6599, 12360)]