156920840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 360126000

約数和(自身を除く): 203205160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 149, 226, 233, 298, 452, 466, 565, 596, 745, 904, 932, 1130, 1165, 1192, 1490, 1864, 2260, 2330, 2980, 4520, 4660, 5960, 9320, 16837, 26329, 33674, 34717, 52658, 67348, 69434, 84185, 105316, 131645, 134696, 138868, 168370, 173585, 210632, 263290, 277736, 336740, 347170, 526580, 673480, 694340, 1053160, 1388680, 3923021, 7846042, 15692084, 19615105, 31384168, 39230210, 78460420, 156920840]

約数ペア:

[(1, 156920840), (2, 78460420), (4, 39230210), (5, 31384168), (8, 19615105), (10, 15692084), (20, 7846042), (40, 3923021), (113, 1388680), (149, 1053160), (226, 694340), (233, 673480), (298, 526580), (452, 347170), (466, 336740), (565, 277736), (596, 263290), (745, 210632), (904, 173585), (932, 168370), (1130, 138868), (1165, 134696), (1192, 131645), (1490, 105316), (1864, 84185), (2260, 69434), (2330, 67348), (2980, 52658), (4520, 34717), (4660, 33674), (5960, 26329), (9320, 16837)]