60720760

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 140515200

約数和(自身を除く): 79794440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 139, 163, 268, 278, 326, 335, 536, 556, 652, 670, 695, 815, 1112, 1304, 1340, 1390, 1630, 2680, 2780, 3260, 5560, 6520, 9313, 10921, 18626, 21842, 22657, 37252, 43684, 45314, 46565, 54605, 74504, 87368, 90628, 93130, 109210, 113285, 181256, 186260, 218420, 226570, 372520, 436840, 453140, 906280, 1518019, 3036038, 6072076, 7590095, 12144152, 15180190, 30360380, 60720760]

約数ペア:

[(1, 60720760), (2, 30360380), (4, 15180190), (5, 12144152), (8, 7590095), (10, 6072076), (20, 3036038), (40, 1518019), (67, 906280), (134, 453140), (139, 436840), (163, 372520), (268, 226570), (278, 218420), (326, 186260), (335, 181256), (536, 113285), (556, 109210), (652, 93130), (670, 90628), (695, 87368), (815, 74504), (1112, 54605), (1304, 46565), (1340, 45314), (1390, 43684), (1630, 37252), (2680, 22657), (2780, 21842), (3260, 18626), (5560, 10921), (6520, 9313)]