9680680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 23201280

約数和(自身を除く): 13520600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 211, 248, 296, 310, 370, 422, 620, 740, 844, 1055, 1147, 1240, 1480, 1688, 2110, 2294, 4220, 4588, 5735, 6541, 7807, 8440, 9176, 11470, 13082, 15614, 22940, 26164, 31228, 32705, 39035, 45880, 52328, 62456, 65410, 78070, 130820, 156140, 242017, 261640, 312280, 484034, 968068, 1210085, 1936136, 2420170, 4840340, 9680680]

約数ペア:

[(1, 9680680), (2, 4840340), (4, 2420170), (5, 1936136), (8, 1210085), (10, 968068), (20, 484034), (31, 312280), (37, 261640), (40, 242017), (62, 156140), (74, 130820), (124, 78070), (148, 65410), (155, 62456), (185, 52328), (211, 45880), (248, 39035), (296, 32705), (310, 31228), (370, 26164), (422, 22940), (620, 15614), (740, 13082), (844, 11470), (1055, 9176), (1147, 8440), (1240, 7807), (1480, 6541), (1688, 5735), (2110, 4588), (2294, 4220)]