139358640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18731}}^1$

素因数の和:18778

約数の個数: 80

約数和(自身を含む): 445971456

約数和(自身を除く): 306612816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 18731, 37462, 56193, 74924, 93655, 112386, 149848, 187310, 224772, 280965, 299696, 374620, 449544, 561930, 580661, 749240, 899088, 1123860, 1161322, 1498480, 1741983, 2247720, 2322644, 2903305, 3483966, 4495440, 4645288, 5806610, 6967932, 8709915, 9290576, 11613220, 13935864, 17419830, 23226440, 27871728, 34839660, 46452880, 69679320, 139358640]

約数ペア:

[(1, 139358640), (2, 69679320), (3, 46452880), (4, 34839660), (5, 27871728), (6, 23226440), (8, 17419830), (10, 13935864), (12, 11613220), (15, 9290576), (16, 8709915), (20, 6967932), (24, 5806610), (30, 4645288), (31, 4495440), (40, 3483966), (48, 2903305), (60, 2322644), (62, 2247720), (80, 1741983), (93, 1498480), (120, 1161322), (124, 1123860), (155, 899088), (186, 749240), (240, 580661), (248, 561930), (310, 449544), (372, 374620), (465, 299696), (496, 280965), (620, 224772), (744, 187310), (930, 149848), (1240, 112386), (1488, 93655), (1860, 74924), (2480, 56193), (3720, 37462), (7440, 18731)]