920102940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{164893}}^1$

素因数の和:164939

約数の個数: 72

約数和(自身を含む): 2881027968

約数和(自身を除く): 1960925028

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, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 164893, 329786, 494679, 659572, 824465, 989358, 1484037, 1648930, 1978716, 2473395, 2968074, 3297860, 4946790, 5111683, 5936148, 7420185, 9893580, 10223366, 14840370, 15335049, 20446732, 25558415, 29680740, 30670098, 46005147, 51116830, 61340196, 76675245, 92010294, 102233660, 153350490, 184020588, 230025735, 306700980, 460051470, 920102940]

約数ペア:

[(1, 920102940), (2, 460051470), (3, 306700980), (4, 230025735), (5, 184020588), (6, 153350490), (9, 102233660), (10, 92010294), (12, 76675245), (15, 61340196), (18, 51116830), (20, 46005147), (30, 30670098), (31, 29680740), (36, 25558415), (45, 20446732), (60, 15335049), (62, 14840370), (90, 10223366), (93, 9893580), (124, 7420185), (155, 5936148), (180, 5111683), (186, 4946790), (279, 3297860), (310, 2968074), (372, 2473395), (465, 1978716), (558, 1648930), (620, 1484037), (930, 989358), (1116, 824465), (1395, 659572), (1860, 494679), (2790, 329786), (5580, 164893)]