155707960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 364500000

約数和(自身を除く): 208792040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 269, 290, 499, 538, 580, 998, 1076, 1160, 1345, 1996, 2152, 2495, 2690, 3992, 4990, 5380, 7801, 9980, 10760, 14471, 15602, 19960, 28942, 31204, 39005, 57884, 62408, 72355, 78010, 115768, 134231, 144710, 156020, 268462, 289420, 312040, 536924, 578840, 671155, 1073848, 1342310, 2684620, 3892699, 5369240, 7785398, 15570796, 19463495, 31141592, 38926990, 77853980, 155707960]

約数ペア:

[(1, 155707960), (2, 77853980), (4, 38926990), (5, 31141592), (8, 19463495), (10, 15570796), (20, 7785398), (29, 5369240), (40, 3892699), (58, 2684620), (116, 1342310), (145, 1073848), (232, 671155), (269, 578840), (290, 536924), (499, 312040), (538, 289420), (580, 268462), (998, 156020), (1076, 144710), (1160, 134231), (1345, 115768), (1996, 78010), (2152, 72355), (2495, 62408), (2690, 57884), (3992, 39005), (4990, 31204), (5380, 28942), (7801, 19960), (9980, 15602), (10760, 14471)]