131015220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{44563}}^1$

素因数の和:44589

約数の個数: 72

約数和(自身を含む): 426744864

約数和(自身を除く): 295729644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 44563, 89126, 133689, 178252, 222815, 267378, 311941, 445630, 534756, 623882, 668445, 891260, 935823, 1247764, 1336890, 1559705, 1871646, 2183587, 2673780, 3119410, 3743292, 4367174, 4679115, 6238820, 6550761, 8734348, 9358230, 10917935, 13101522, 18716460, 21835870, 26203044, 32753805, 43671740, 65507610, 131015220]

約数ペア:

[(1, 131015220), (2, 65507610), (3, 43671740), (4, 32753805), (5, 26203044), (6, 21835870), (7, 18716460), (10, 13101522), (12, 10917935), (14, 9358230), (15, 8734348), (20, 6550761), (21, 6238820), (28, 4679115), (30, 4367174), (35, 3743292), (42, 3119410), (49, 2673780), (60, 2183587), (70, 1871646), (84, 1559705), (98, 1336890), (105, 1247764), (140, 935823), (147, 891260), (196, 668445), (210, 623882), (245, 534756), (294, 445630), (420, 311941), (490, 267378), (588, 222815), (735, 178252), (980, 133689), (1470, 89126), (2940, 44563)]