15851316820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{1889}}^1$

素因数の和:2137

約数の個数: 96

約数和(自身を含む): 34749388800

約数和(自身を除く): 18898071980

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 113, 158, 188, 226, 235, 316, 395, 452, 470, 565, 790, 940, 1130, 1580, 1889, 2260, 3713, 3778, 5311, 7426, 7556, 8927, 9445, 10622, 14852, 17854, 18565, 18890, 21244, 26555, 35708, 37130, 37780, 44635, 53110, 74260, 88783, 89270, 106220, 149231, 177566, 178540, 213457, 298462, 355132, 419569, 426914, 443915, 596924, 746155, 839138, 853828, 887830, 1067285, 1492310, 1678276, 1775660, 2097845, 2134570, 2984620, 4195690, 4269140, 7013857, 8391380, 10032479, 14027714, 16863103, 20064958, 28055428, 33726206, 35069285, 40129916, 50162395, 67452412, 70138570, 84315515, 100324790, 140277140, 168631030, 200649580, 337262060, 792565841, 1585131682, 3170263364, 3962829205, 7925658410, 15851316820]

約数ペア:

[(1, 15851316820), (2, 7925658410), (4, 3962829205), (5, 3170263364), (10, 1585131682), (20, 792565841), (47, 337262060), (79, 200649580), (94, 168631030), (113, 140277140), (158, 100324790), (188, 84315515), (226, 70138570), (235, 67452412), (316, 50162395), (395, 40129916), (452, 35069285), (470, 33726206), (565, 28055428), (790, 20064958), (940, 16863103), (1130, 14027714), (1580, 10032479), (1889, 8391380), (2260, 7013857), (3713, 4269140), (3778, 4195690), (5311, 2984620), (7426, 2134570), (7556, 2097845), (8927, 1775660), (9445, 1678276), (10622, 1492310), (14852, 1067285), (17854, 887830), (18565, 853828), (18890, 839138), (21244, 746155), (26555, 596924), (35708, 443915), (37130, 426914), (37780, 419569), (44635, 355132), (53110, 298462), (74260, 213457), (88783, 178540), (89270, 177566), (106220, 149231)]