71213940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{56519}}^1$

素因数の和:56541

約数の個数: 72

約数和(自身を含む): 246879360

約数和(自身を除く): 175665420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 56519, 113038, 169557, 226076, 282595, 339114, 395633, 508671, 565190, 678228, 791266, 847785, 1017342, 1130380, 1186899, 1582532, 1695570, 1978165, 2034684, 2373798, 2543355, 3391140, 3560697, 3956330, 4747596, 5086710, 5934495, 7121394, 7912660, 10173420, 11868990, 14242788, 17803485, 23737980, 35606970, 71213940]

約数ペア:

[(1, 71213940), (2, 35606970), (3, 23737980), (4, 17803485), (5, 14242788), (6, 11868990), (7, 10173420), (9, 7912660), (10, 7121394), (12, 5934495), (14, 5086710), (15, 4747596), (18, 3956330), (20, 3560697), (21, 3391140), (28, 2543355), (30, 2373798), (35, 2034684), (36, 1978165), (42, 1695570), (45, 1582532), (60, 1186899), (63, 1130380), (70, 1017342), (84, 847785), (90, 791266), (105, 678228), (126, 565190), (140, 508671), (180, 395633), (210, 339114), (252, 282595), (315, 226076), (420, 169557), (630, 113038), (1260, 56519)]