1009980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 3179904

約数和(自身を除く): 2169924

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, 181, 186, 279, 310, 362, 372, 465, 543, 558, 620, 724, 905, 930, 1086, 1116, 1395, 1629, 1810, 1860, 2172, 2715, 2790, 3258, 3620, 5430, 5580, 5611, 6516, 8145, 10860, 11222, 16290, 16833, 22444, 28055, 32580, 33666, 50499, 56110, 67332, 84165, 100998, 112220, 168330, 201996, 252495, 336660, 504990, 1009980]

約数ペア:

[(1, 1009980), (2, 504990), (3, 336660), (4, 252495), (5, 201996), (6, 168330), (9, 112220), (10, 100998), (12, 84165), (15, 67332), (18, 56110), (20, 50499), (30, 33666), (31, 32580), (36, 28055), (45, 22444), (60, 16833), (62, 16290), (90, 11222), (93, 10860), (124, 8145), (155, 6516), (180, 5611), (181, 5580), (186, 5430), (279, 3620), (310, 3258), (362, 2790), (372, 2715), (465, 2172), (543, 1860), (558, 1810), (620, 1629), (724, 1395), (905, 1116), (930, 1086)]