31268580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74449}}^1$

素因数の和:74468

約数の個数: 48

約数和(自身を含む): 100060800

約数和(自身を除く): 68792220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74449, 148898, 223347, 297796, 372245, 446694, 521143, 744490, 893388, 1042286, 1116735, 1488980, 1563429, 2084572, 2233470, 2605715, 3126858, 4466940, 5211430, 6253716, 7817145, 10422860, 15634290, 31268580]

約数ペア:

[(1, 31268580), (2, 15634290), (3, 10422860), (4, 7817145), (5, 6253716), (6, 5211430), (7, 4466940), (10, 3126858), (12, 2605715), (14, 2233470), (15, 2084572), (20, 1563429), (21, 1488980), (28, 1116735), (30, 1042286), (35, 893388), (42, 744490), (60, 521143), (70, 446694), (84, 372245), (105, 297796), (140, 223347), (210, 148898), (420, 74449)]