2565780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 8467200

約数和(自身を除く): 5901420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 149, 164, 205, 210, 246, 287, 298, 410, 420, 447, 492, 574, 596, 615, 745, 820, 861, 894, 1043, 1148, 1230, 1435, 1490, 1722, 1788, 2086, 2235, 2460, 2870, 2980, 3129, 3444, 4172, 4305, 4470, 5215, 5740, 6109, 6258, 8610, 8940, 10430, 12218, 12516, 15645, 17220, 18327, 20860, 24436, 30545, 31290, 36654, 42763, 61090, 62580, 73308, 85526, 91635, 122180, 128289, 171052, 183270, 213815, 256578, 366540, 427630, 513156, 641445, 855260, 1282890, 2565780]

約数ペア:

[(1, 2565780), (2, 1282890), (3, 855260), (4, 641445), (5, 513156), (6, 427630), (7, 366540), (10, 256578), (12, 213815), (14, 183270), (15, 171052), (20, 128289), (21, 122180), (28, 91635), (30, 85526), (35, 73308), (41, 62580), (42, 61090), (60, 42763), (70, 36654), (82, 31290), (84, 30545), (105, 24436), (123, 20860), (140, 18327), (149, 17220), (164, 15645), (205, 12516), (210, 12218), (246, 10430), (287, 8940), (298, 8610), (410, 6258), (420, 6109), (447, 5740), (492, 5215), (574, 4470), (596, 4305), (615, 4172), (745, 3444), (820, 3129), (861, 2980), (894, 2870), (1043, 2460), (1148, 2235), (1230, 2086), (1435, 1788), (1490, 1722)]