127881160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{571}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 315057600

約数和(自身を除く): 187176440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 509, 571, 1018, 1142, 2036, 2284, 2545, 2855, 4072, 4568, 5090, 5599, 5710, 6281, 10180, 11198, 11420, 12562, 20360, 22396, 22840, 25124, 27995, 31405, 44792, 50248, 55990, 62810, 111980, 125620, 223960, 251240, 290639, 581278, 1162556, 1453195, 2325112, 2906390, 3197029, 5812780, 6394058, 11625560, 12788116, 15985145, 25576232, 31970290, 63940580, 127881160]

約数ペア:

[(1, 127881160), (2, 63940580), (4, 31970290), (5, 25576232), (8, 15985145), (10, 12788116), (11, 11625560), (20, 6394058), (22, 5812780), (40, 3197029), (44, 2906390), (55, 2325112), (88, 1453195), (110, 1162556), (220, 581278), (440, 290639), (509, 251240), (571, 223960), (1018, 125620), (1142, 111980), (2036, 62810), (2284, 55990), (2545, 50248), (2855, 44792), (4072, 31405), (4568, 27995), (5090, 25124), (5599, 22840), (5710, 22396), (6281, 20360), (10180, 12562), (11198, 11420)]