220973580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^2$

素因数の和:444

約数の個数: 108

約数和(自身を含む): 695403072

約数和(自身を除く): 474429492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 199, 279, 310, 372, 398, 465, 558, 597, 620, 796, 930, 995, 1116, 1194, 1395, 1791, 1860, 1990, 2388, 2790, 2985, 3582, 3980, 5580, 5970, 6169, 7164, 8955, 11940, 12338, 17910, 18507, 24676, 30845, 35820, 37014, 39601, 55521, 61690, 74028, 79202, 92535, 111042, 118803, 123380, 158404, 185070, 198005, 222084, 237606, 277605, 356409, 370140, 396010, 475212, 555210, 594015, 712818, 792020, 1110420, 1188030, 1227631, 1425636, 1782045, 2376060, 2455262, 3564090, 3682893, 4910524, 6138155, 7128180, 7365786, 11048679, 12276310, 14731572, 18414465, 22097358, 24552620, 36828930, 44194716, 55243395, 73657860, 110486790, 220973580]

約数ペア:

[(1, 220973580), (2, 110486790), (3, 73657860), (4, 55243395), (5, 44194716), (6, 36828930), (9, 24552620), (10, 22097358), (12, 18414465), (15, 14731572), (18, 12276310), (20, 11048679), (30, 7365786), (31, 7128180), (36, 6138155), (45, 4910524), (60, 3682893), (62, 3564090), (90, 2455262), (93, 2376060), (124, 1782045), (155, 1425636), (180, 1227631), (186, 1188030), (199, 1110420), (279, 792020), (310, 712818), (372, 594015), (398, 555210), (465, 475212), (558, 396010), (597, 370140), (620, 356409), (796, 277605), (930, 237606), (995, 222084), (1116, 198005), (1194, 185070), (1395, 158404), (1791, 123380), (1860, 118803), (1990, 111042), (2388, 92535), (2790, 79202), (2985, 74028), (3582, 61690), (3980, 55521), (5580, 39601), (5970, 37014), (6169, 35820), (7164, 30845), (8955, 24676), (11940, 18507), (12338, 17910)]