68549680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 166560768

約数和(自身を除く): 98011088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 131, 155, 211, 248, 262, 310, 422, 496, 524, 620, 655, 844, 1048, 1055, 1240, 1310, 1688, 2096, 2110, 2480, 2620, 3376, 4061, 4220, 5240, 6541, 8122, 8440, 10480, 13082, 16244, 16880, 20305, 26164, 27641, 32488, 32705, 40610, 52328, 55282, 64976, 65410, 81220, 104656, 110564, 130820, 138205, 162440, 221128, 261640, 276410, 324880, 442256, 523280, 552820, 856871, 1105640, 1713742, 2211280, 3427484, 4284355, 6854968, 8568710, 13709936, 17137420, 34274840, 68549680]

約数ペア:

[(1, 68549680), (2, 34274840), (4, 17137420), (5, 13709936), (8, 8568710), (10, 6854968), (16, 4284355), (20, 3427484), (31, 2211280), (40, 1713742), (62, 1105640), (80, 856871), (124, 552820), (131, 523280), (155, 442256), (211, 324880), (248, 276410), (262, 261640), (310, 221128), (422, 162440), (496, 138205), (524, 130820), (620, 110564), (655, 104656), (844, 81220), (1048, 65410), (1055, 64976), (1240, 55282), (1310, 52328), (1688, 40610), (2096, 32705), (2110, 32488), (2480, 27641), (2620, 26164), (3376, 20305), (4061, 16880), (4220, 16244), (5240, 13082), (6541, 10480), (8122, 8440)]