156720737960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5527}}^1\times {\mathrm{4349}}^1$

素因数の和:10050

約数の個数: 64

約数和(自身を含む): 354930768000

約数和(自身を除く): 198210030040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4349, 5527, 6520, 8698, 11054, 17396, 21745, 22108, 27635, 34792, 43490, 44216, 55270, 86980, 110540, 173960, 221080, 708887, 900901, 1417774, 1801802, 2835548, 3544435, 3603604, 4504505, 5671096, 7088870, 7207208, 9009010, 14177740, 18018020, 24036923, 28355480, 36036040, 48073846, 96147692, 120184615, 192295384, 240369230, 480738460, 961476920, 3918018449, 7836036898, 15672073796, 19590092245, 31344147592, 39180184490, 78360368980, 156720737960]

約数ペア:

[(1, 156720737960), (2, 78360368980), (4, 39180184490), (5, 31344147592), (8, 19590092245), (10, 15672073796), (20, 7836036898), (40, 3918018449), (163, 961476920), (326, 480738460), (652, 240369230), (815, 192295384), (1304, 120184615), (1630, 96147692), (3260, 48073846), (4349, 36036040), (5527, 28355480), (6520, 24036923), (8698, 18018020), (11054, 14177740), (17396, 9009010), (21745, 7207208), (22108, 7088870), (27635, 5671096), (34792, 4504505), (43490, 3603604), (44216, 3544435), (55270, 2835548), (86980, 1801802), (110540, 1417774), (173960, 900901), (221080, 708887)]