71745740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 172942560

約数和(自身を除く): 101196820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 1289, 2420, 2530, 2578, 2783, 5060, 5156, 5566, 6445, 11132, 12890, 13915, 14179, 25780, 27830, 28358, 29647, 55660, 56716, 59294, 70895, 118588, 141790, 148235, 155969, 283580, 296470, 311938, 326117, 592940, 623876, 652234, 779845, 1304468, 1559690, 1630585, 3119380, 3261170, 3587287, 6522340, 7174574, 14349148, 17936435, 35872870, 71745740]

約数ペア:

[(1, 71745740), (2, 35872870), (4, 17936435), (5, 14349148), (10, 7174574), (11, 6522340), (20, 3587287), (22, 3261170), (23, 3119380), (44, 1630585), (46, 1559690), (55, 1304468), (92, 779845), (110, 652234), (115, 623876), (121, 592940), (220, 326117), (230, 311938), (242, 296470), (253, 283580), (460, 155969), (484, 148235), (506, 141790), (605, 118588), (1012, 70895), (1210, 59294), (1265, 56716), (1289, 55660), (2420, 29647), (2530, 28358), (2578, 27830), (2783, 25780), (5060, 14179), (5156, 13915), (5566, 12890), (6445, 11132)]