1661730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 4693248

約数和(自身を除く): 3031518

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 193, 205, 210, 246, 287, 386, 410, 574, 579, 615, 861, 965, 1158, 1230, 1351, 1435, 1722, 1930, 2702, 2870, 2895, 4053, 4305, 5790, 6755, 7913, 8106, 8610, 13510, 15826, 20265, 23739, 39565, 40530, 47478, 55391, 79130, 110782, 118695, 166173, 237390, 276955, 332346, 553910, 830865, 1661730]

約数ペア:

[(1, 1661730), (2, 830865), (3, 553910), (5, 332346), (6, 276955), (7, 237390), (10, 166173), (14, 118695), (15, 110782), (21, 79130), (30, 55391), (35, 47478), (41, 40530), (42, 39565), (70, 23739), (82, 20265), (105, 15826), (123, 13510), (193, 8610), (205, 8106), (210, 7913), (246, 6755), (287, 5790), (386, 4305), (410, 4053), (574, 2895), (579, 2870), (615, 2702), (861, 1930), (965, 1722), (1158, 1435), (1230, 1351)]