68517288

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19421}}^1$

素因数の和:19447

約数の個数: 72

約数和(自身を含む): 215875530

約数和(自身を除く): 147358242

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 19421, 38842, 58263, 77684, 116526, 135947, 155368, 174789, 233052, 271894, 349578, 407841, 466104, 543788, 699156, 815682, 951629, 1087576, 1223523, 1398312, 1631364, 1903258, 2447046, 2854887, 3262728, 3806516, 4894092, 5709774, 7613032, 8564661, 9788184, 11419548, 17129322, 22839096, 34258644, 68517288]

約数ペア:

[(1, 68517288), (2, 34258644), (3, 22839096), (4, 17129322), (6, 11419548), (7, 9788184), (8, 8564661), (9, 7613032), (12, 5709774), (14, 4894092), (18, 3806516), (21, 3262728), (24, 2854887), (28, 2447046), (36, 1903258), (42, 1631364), (49, 1398312), (56, 1223523), (63, 1087576), (72, 951629), (84, 815682), (98, 699156), (126, 543788), (147, 466104), (168, 407841), (196, 349578), (252, 271894), (294, 233052), (392, 174789), (441, 155368), (504, 135947), (588, 116526), (882, 77684), (1176, 58263), (1764, 38842), (3528, 19421)]