7426280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 18066240

約数和(自身を除く): 10639960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 163, 170, 268, 326, 335, 340, 536, 652, 670, 680, 815, 1139, 1304, 1340, 1630, 2278, 2680, 2771, 3260, 4556, 5542, 5695, 6520, 9112, 10921, 11084, 11390, 13855, 21842, 22168, 22780, 27710, 43684, 45560, 54605, 55420, 87368, 109210, 110840, 185657, 218420, 371314, 436840, 742628, 928285, 1485256, 1856570, 3713140, 7426280]

約数ペア:

[(1, 7426280), (2, 3713140), (4, 1856570), (5, 1485256), (8, 928285), (10, 742628), (17, 436840), (20, 371314), (34, 218420), (40, 185657), (67, 110840), (68, 109210), (85, 87368), (134, 55420), (136, 54605), (163, 45560), (170, 43684), (268, 27710), (326, 22780), (335, 22168), (340, 21842), (536, 13855), (652, 11390), (670, 11084), (680, 10921), (815, 9112), (1139, 6520), (1304, 5695), (1340, 5542), (1630, 4556), (2278, 3260), (2680, 2771)]