155842960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21407}}^1$

素因数の和:21440

約数の個数: 80

約数和(自身を含む): 445971456

約数和(自身を除く): 290128496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 21407, 42814, 85628, 107035, 149849, 171256, 214070, 278291, 299698, 342512, 428140, 556582, 599396, 749245, 856280, 1113164, 1198792, 1391455, 1498490, 1712560, 1948037, 2226328, 2397584, 2782910, 2996980, 3896074, 4452656, 5565820, 5993960, 7792148, 9740185, 11131640, 11987920, 15584296, 19480370, 22263280, 31168592, 38960740, 77921480, 155842960]

約数ペア:

[(1, 155842960), (2, 77921480), (4, 38960740), (5, 31168592), (7, 22263280), (8, 19480370), (10, 15584296), (13, 11987920), (14, 11131640), (16, 9740185), (20, 7792148), (26, 5993960), (28, 5565820), (35, 4452656), (40, 3896074), (52, 2996980), (56, 2782910), (65, 2397584), (70, 2226328), (80, 1948037), (91, 1712560), (104, 1498490), (112, 1391455), (130, 1198792), (140, 1113164), (182, 856280), (208, 749245), (260, 599396), (280, 556582), (364, 428140), (455, 342512), (520, 299698), (560, 278291), (728, 214070), (910, 171256), (1040, 149849), (1456, 107035), (1820, 85628), (3640, 42814), (7280, 21407)]