31884120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2857}}^1$

素因数の和:2905

約数の個数: 96

約数和(自身を含む): 107003520

約数和(自身を除く): 75119400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 2857, 3720, 5580, 5714, 8571, 11160, 11428, 14285, 17142, 22856, 25713, 28570, 34284, 42855, 51426, 57140, 68568, 85710, 88567, 102852, 114280, 128565, 171420, 177134, 205704, 257130, 265701, 342840, 354268, 442835, 514260, 531402, 708536, 797103, 885670, 1028520, 1062804, 1328505, 1594206, 1771340, 2125608, 2657010, 3188412, 3542680, 3985515, 5314020, 6376824, 7971030, 10628040, 15942060, 31884120]

約数ペア:

[(1, 31884120), (2, 15942060), (3, 10628040), (4, 7971030), (5, 6376824), (6, 5314020), (8, 3985515), (9, 3542680), (10, 3188412), (12, 2657010), (15, 2125608), (18, 1771340), (20, 1594206), (24, 1328505), (30, 1062804), (31, 1028520), (36, 885670), (40, 797103), (45, 708536), (60, 531402), (62, 514260), (72, 442835), (90, 354268), (93, 342840), (120, 265701), (124, 257130), (155, 205704), (180, 177134), (186, 171420), (248, 128565), (279, 114280), (310, 102852), (360, 88567), (372, 85710), (465, 68568), (558, 57140), (620, 51426), (744, 42855), (930, 34284), (1116, 28570), (1240, 25713), (1395, 22856), (1860, 17142), (2232, 14285), (2790, 11428), (2857, 11160), (3720, 8571), (5580, 5714)]