2545830

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{449}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 7840800

約数和(自身を除く): 5294970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 449, 567, 630, 810, 898, 945, 1134, 1347, 1890, 2245, 2694, 2835, 3143, 4041, 4490, 5670, 6286, 6735, 8082, 9429, 12123, 13470, 15715, 18858, 20205, 24246, 28287, 31430, 36369, 40410, 47145, 56574, 60615, 72738, 84861, 94290, 121230, 141435, 169722, 181845, 254583, 282870, 363690, 424305, 509166, 848610, 1272915, 2545830]

約数ペア:

[(1, 2545830), (2, 1272915), (3, 848610), (5, 509166), (6, 424305), (7, 363690), (9, 282870), (10, 254583), (14, 181845), (15, 169722), (18, 141435), (21, 121230), (27, 94290), (30, 84861), (35, 72738), (42, 60615), (45, 56574), (54, 47145), (63, 40410), (70, 36369), (81, 31430), (90, 28287), (105, 24246), (126, 20205), (135, 18858), (162, 15715), (189, 13470), (210, 12123), (270, 9429), (315, 8082), (378, 6735), (405, 6286), (449, 5670), (567, 4490), (630, 4041), (810, 3143), (898, 2835), (945, 2694), (1134, 2245), (1347, 1890)]