77490

素因数分解:

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

素因数の和:64

約数の個数: 64

約数和(自身を含む): 241920

約数和(自身を除く): 164430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 54, 63, 70, 82, 90, 105, 123, 126, 135, 189, 205, 210, 246, 270, 287, 315, 369, 378, 410, 574, 615, 630, 738, 861, 945, 1107, 1230, 1435, 1722, 1845, 1890, 2214, 2583, 2870, 3690, 4305, 5166, 5535, 7749, 8610, 11070, 12915, 15498, 25830, 38745, 77490]

約数ペア:

[(1, 77490), (2, 38745), (3, 25830), (5, 15498), (6, 12915), (7, 11070), (9, 8610), (10, 7749), (14, 5535), (15, 5166), (18, 4305), (21, 3690), (27, 2870), (30, 2583), (35, 2214), (41, 1890), (42, 1845), (45, 1722), (54, 1435), (63, 1230), (70, 1107), (82, 945), (90, 861), (105, 738), (123, 630), (126, 615), (135, 574), (189, 410), (205, 378), (210, 369), (246, 315), (270, 287)]