156594640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 378832896

約数和(自身を除く): 222238256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 233, 248, 271, 310, 466, 496, 542, 620, 932, 1084, 1165, 1240, 1355, 1864, 2168, 2330, 2480, 2710, 3728, 4336, 4660, 5420, 7223, 8401, 9320, 10840, 14446, 16802, 18640, 21680, 28892, 33604, 36115, 42005, 57784, 63143, 67208, 72230, 84010, 115568, 126286, 134416, 144460, 168020, 252572, 288920, 315715, 336040, 505144, 577840, 631430, 672080, 1010288, 1262860, 1957433, 2525720, 3914866, 5051440, 7829732, 9787165, 15659464, 19574330, 31318928, 39148660, 78297320, 156594640]

約数ペア:

[(1, 156594640), (2, 78297320), (4, 39148660), (5, 31318928), (8, 19574330), (10, 15659464), (16, 9787165), (20, 7829732), (31, 5051440), (40, 3914866), (62, 2525720), (80, 1957433), (124, 1262860), (155, 1010288), (233, 672080), (248, 631430), (271, 577840), (310, 505144), (466, 336040), (496, 315715), (542, 288920), (620, 252572), (932, 168020), (1084, 144460), (1165, 134416), (1240, 126286), (1355, 115568), (1864, 84010), (2168, 72230), (2330, 67208), (2480, 63143), (2710, 57784), (3728, 42005), (4336, 36115), (4660, 33604), (5420, 28892), (7223, 21680), (8401, 18640), (9320, 16802), (10840, 14446)]