30180040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 74856960

約数和(自身を除く): 44676920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 607, 904, 1130, 1214, 1243, 2260, 2428, 2486, 3035, 4520, 4856, 4972, 6070, 6215, 6677, 9944, 12140, 12430, 13354, 24280, 24860, 26708, 33385, 49720, 53416, 66770, 68591, 133540, 137182, 267080, 274364, 342955, 548728, 685910, 754501, 1371820, 1509002, 2743640, 3018004, 3772505, 6036008, 7545010, 15090020, 30180040]

約数ペア:

[(1, 30180040), (2, 15090020), (4, 7545010), (5, 6036008), (8, 3772505), (10, 3018004), (11, 2743640), (20, 1509002), (22, 1371820), (40, 754501), (44, 685910), (55, 548728), (88, 342955), (110, 274364), (113, 267080), (220, 137182), (226, 133540), (440, 68591), (452, 66770), (565, 53416), (607, 49720), (904, 33385), (1130, 26708), (1214, 24860), (1243, 24280), (2260, 13354), (2428, 12430), (2486, 12140), (3035, 9944), (4520, 6677), (4856, 6215), (4972, 6070)]