1639002120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1951193}}^1$

素因数の和:1951214

約数の個数: 64

約数和(自身を含む): 5619438720

約数和(自身を除く): 3980436600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1951193, 3902386, 5853579, 7804772, 9755965, 11707158, 13658351, 15609544, 19511930, 23414316, 27316702, 29267895, 39023860, 40975053, 46828632, 54633404, 58535790, 68291755, 78047720, 81950106, 109266808, 117071580, 136583510, 163900212, 204875265, 234143160, 273167020, 327800424, 409750530, 546334040, 819501060, 1639002120]

約数ペア:

[(1, 1639002120), (2, 819501060), (3, 546334040), (4, 409750530), (5, 327800424), (6, 273167020), (7, 234143160), (8, 204875265), (10, 163900212), (12, 136583510), (14, 117071580), (15, 109266808), (20, 81950106), (21, 78047720), (24, 68291755), (28, 58535790), (30, 54633404), (35, 46828632), (40, 40975053), (42, 39023860), (56, 29267895), (60, 27316702), (70, 23414316), (84, 19511930), (105, 15609544), (120, 13658351), (140, 11707158), (168, 9755965), (210, 7804772), (280, 5853579), (420, 3902386), (840, 1951193)]