1282890

素因数分解:

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

素因数の和:207

約数の個数: 64

約数和(自身を含む): 3628800

約数和(自身を除く): 2345910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 149, 205, 210, 246, 287, 298, 410, 447, 574, 615, 745, 861, 894, 1043, 1230, 1435, 1490, 1722, 2086, 2235, 2870, 3129, 4305, 4470, 5215, 6109, 6258, 8610, 10430, 12218, 15645, 18327, 30545, 31290, 36654, 42763, 61090, 85526, 91635, 128289, 183270, 213815, 256578, 427630, 641445, 1282890]

約数ペア:

[(1, 1282890), (2, 641445), (3, 427630), (5, 256578), (6, 213815), (7, 183270), (10, 128289), (14, 91635), (15, 85526), (21, 61090), (30, 42763), (35, 36654), (41, 31290), (42, 30545), (70, 18327), (82, 15645), (105, 12218), (123, 10430), (149, 8610), (205, 6258), (210, 6109), (246, 5215), (287, 4470), (298, 4305), (410, 3129), (447, 2870), (574, 2235), (615, 2086), (745, 1722), (861, 1490), (894, 1435), (1043, 1230)]