18581665360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1\times {\mathrm{919}}^1$

素因数の和:1257

約数の個数: 120

約数和(自身を含む): 44859450240

約数和(自身を除く): 26277784880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 263, 310, 496, 526, 620, 919, 961, 1052, 1240, 1315, 1838, 1922, 2104, 2480, 2630, 3676, 3844, 4208, 4595, 4805, 5260, 7352, 7688, 8153, 9190, 9610, 10520, 14704, 15376, 16306, 18380, 19220, 21040, 28489, 32612, 36760, 38440, 40765, 56978, 65224, 73520, 76880, 81530, 113956, 130448, 142445, 163060, 227912, 241697, 252743, 284890, 326120, 455824, 483394, 505486, 569780, 652240, 883159, 966788, 1010972, 1139560, 1208485, 1263715, 1766318, 1933576, 2021944, 2279120, 2416970, 2527430, 3532636, 3867152, 4043888, 4415795, 4833940, 5054860, 7065272, 7492607, 8831590, 9667880, 10109720, 14130544, 14985214, 17663180, 19335760, 20219440, 29970428, 35326360, 37463035, 59940856, 70652720, 74926070, 119881712, 149852140, 232270817, 299704280, 464541634, 599408560, 929083268, 1161354085, 1858166536, 2322708170, 3716333072, 4645416340, 9290832680, 18581665360]

約数ペア:

[(1, 18581665360), (2, 9290832680), (4, 4645416340), (5, 3716333072), (8, 2322708170), (10, 1858166536), (16, 1161354085), (20, 929083268), (31, 599408560), (40, 464541634), (62, 299704280), (80, 232270817), (124, 149852140), (155, 119881712), (248, 74926070), (263, 70652720), (310, 59940856), (496, 37463035), (526, 35326360), (620, 29970428), (919, 20219440), (961, 19335760), (1052, 17663180), (1240, 14985214), (1315, 14130544), (1838, 10109720), (1922, 9667880), (2104, 8831590), (2480, 7492607), (2630, 7065272), (3676, 5054860), (3844, 4833940), (4208, 4415795), (4595, 4043888), (4805, 3867152), (5260, 3532636), (7352, 2527430), (7688, 2416970), (8153, 2279120), (9190, 2021944), (9610, 1933576), (10520, 1766318), (14704, 1263715), (15376, 1208485), (16306, 1139560), (18380, 1010972), (19220, 966788), (21040, 883159), (28489, 652240), (32612, 569780), (36760, 505486), (38440, 483394), (40765, 455824), (56978, 326120), (65224, 284890), (73520, 252743), (76880, 241697), (81530, 227912), (113956, 163060), (130448, 142445)]