51469740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40849}}^1$

素因数の和:40871

約数の個数: 72

約数和(自身を含む): 178432800

約数和(自身を除く): 126963060

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, 40849, 81698, 122547, 163396, 204245, 245094, 285943, 367641, 408490, 490188, 571886, 612735, 735282, 816980, 857829, 1143772, 1225470, 1429715, 1470564, 1715658, 1838205, 2450940, 2573487, 2859430, 3431316, 3676410, 4289145, 5146974, 5718860, 7352820, 8578290, 10293948, 12867435, 17156580, 25734870, 51469740]

約数ペア:

[(1, 51469740), (2, 25734870), (3, 17156580), (4, 12867435), (5, 10293948), (6, 8578290), (7, 7352820), (9, 5718860), (10, 5146974), (12, 4289145), (14, 3676410), (15, 3431316), (18, 2859430), (20, 2573487), (21, 2450940), (28, 1838205), (30, 1715658), (35, 1470564), (36, 1429715), (42, 1225470), (45, 1143772), (60, 857829), (63, 816980), (70, 735282), (84, 612735), (90, 571886), (105, 490188), (126, 408490), (140, 367641), (180, 285943), (210, 245094), (252, 204245), (315, 163396), (420, 122547), (630, 81698), (1260, 40849)]