12615460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 31438008

約数和(自身を除く): 18822548

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 401, 484, 572, 605, 715, 802, 1210, 1430, 1573, 1604, 2005, 2420, 2860, 3146, 4010, 4411, 5213, 6292, 7865, 8020, 8822, 10426, 15730, 17644, 20852, 22055, 26065, 31460, 44110, 48521, 52130, 57343, 88220, 97042, 104260, 114686, 194084, 229372, 242605, 286715, 485210, 573430, 630773, 970420, 1146860, 1261546, 2523092, 3153865, 6307730, 12615460]

約数ペア:

[(1, 12615460), (2, 6307730), (4, 3153865), (5, 2523092), (10, 1261546), (11, 1146860), (13, 970420), (20, 630773), (22, 573430), (26, 485210), (44, 286715), (52, 242605), (55, 229372), (65, 194084), (110, 114686), (121, 104260), (130, 97042), (143, 88220), (220, 57343), (242, 52130), (260, 48521), (286, 44110), (401, 31460), (484, 26065), (572, 22055), (605, 20852), (715, 17644), (802, 15730), (1210, 10426), (1430, 8822), (1573, 8020), (1604, 7865), (2005, 6292), (2420, 5213), (2860, 4411), (3146, 4010)]