129667120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5081}}^1$

素因数の和:5134

約数の個数: 80

約数和(自身を含む): 340290720

約数和(自身を除く): 210623600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5081, 5104, 6380, 10162, 12760, 20324, 25405, 25520, 40648, 50810, 55891, 81296, 101620, 111782, 147349, 203240, 223564, 279455, 294698, 406480, 447128, 558910, 589396, 736745, 894256, 1117820, 1178792, 1473490, 1620839, 2235640, 2357584, 2946980, 3241678, 4471280, 5893960, 6483356, 8104195, 11787920, 12966712, 16208390, 25933424, 32416780, 64833560, 129667120]

約数ペア:

[(1, 129667120), (2, 64833560), (4, 32416780), (5, 25933424), (8, 16208390), (10, 12966712), (11, 11787920), (16, 8104195), (20, 6483356), (22, 5893960), (29, 4471280), (40, 3241678), (44, 2946980), (55, 2357584), (58, 2235640), (80, 1620839), (88, 1473490), (110, 1178792), (116, 1117820), (145, 894256), (176, 736745), (220, 589396), (232, 558910), (290, 447128), (319, 406480), (440, 294698), (464, 279455), (580, 223564), (638, 203240), (880, 147349), (1160, 111782), (1276, 101620), (1595, 81296), (2320, 55891), (2552, 50810), (3190, 40648), (5081, 25520), (5104, 25405), (6380, 20324), (10162, 12760)]