127890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1$

素因数の和:56

約数の個数: 72

約数和(自身を含む): 400140

約数和(自身を除く): 272250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 49, 58, 63, 70, 87, 90, 98, 105, 126, 145, 147, 174, 203, 210, 245, 261, 290, 294, 315, 406, 435, 441, 490, 522, 609, 630, 735, 870, 882, 1015, 1218, 1305, 1421, 1470, 1827, 2030, 2205, 2610, 2842, 3045, 3654, 4263, 4410, 6090, 7105, 8526, 9135, 12789, 14210, 18270, 21315, 25578, 42630, 63945, 127890]

約数ペア:

[(1, 127890), (2, 63945), (3, 42630), (5, 25578), (6, 21315), (7, 18270), (9, 14210), (10, 12789), (14, 9135), (15, 8526), (18, 7105), (21, 6090), (29, 4410), (30, 4263), (35, 3654), (42, 3045), (45, 2842), (49, 2610), (58, 2205), (63, 2030), (70, 1827), (87, 1470), (90, 1421), (98, 1305), (105, 1218), (126, 1015), (145, 882), (147, 870), (174, 735), (203, 630), (210, 609), (245, 522), (261, 490), (290, 441), (294, 435), (315, 406)]