156948408460

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{661}}^1\times {\mathrm{29027}}^1$

素因数の和:30106

約数の個数: 48

約数和(自身を含む): 330908749920

約数和(自身を除く): 173960341460

約数列:

[1, 2, 4, 5, 10, 20, 409, 661, 818, 1322, 1636, 2045, 2644, 3305, 4090, 6610, 8180, 13220, 29027, 58054, 116108, 145135, 270349, 290270, 540698, 580540, 1081396, 1351745, 2703490, 5406980, 11872043, 19186847, 23744086, 38373694, 47488172, 59360215, 76747388, 95934235, 118720430, 191868470, 237440860, 383736940, 7847420423, 15694840846, 31389681692, 39237102115, 78474204230, 156948408460]

約数ペア:

[(1, 156948408460), (2, 78474204230), (4, 39237102115), (5, 31389681692), (10, 15694840846), (20, 7847420423), (409, 383736940), (661, 237440860), (818, 191868470), (1322, 118720430), (1636, 95934235), (2045, 76747388), (2644, 59360215), (3305, 47488172), (4090, 38373694), (6610, 23744086), (8180, 19186847), (13220, 11872043), (29027, 5406980), (58054, 2703490), (116108, 1351745), (145135, 1081396), (270349, 580540), (290270, 540698)]