78676760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 185656320

約数和(自身を除く): 106979560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 670, 947, 1240, 1340, 1894, 2077, 2680, 3788, 4154, 4735, 7576, 8308, 9470, 10385, 16616, 18940, 20770, 29357, 37880, 41540, 58714, 63449, 83080, 117428, 126898, 146785, 234856, 253796, 293570, 317245, 507592, 587140, 634490, 1174280, 1268980, 1966919, 2537960, 3933838, 7867676, 9834595, 15735352, 19669190, 39338380, 78676760]

約数ペア:

[(1, 78676760), (2, 39338380), (4, 19669190), (5, 15735352), (8, 9834595), (10, 7867676), (20, 3933838), (31, 2537960), (40, 1966919), (62, 1268980), (67, 1174280), (124, 634490), (134, 587140), (155, 507592), (248, 317245), (268, 293570), (310, 253796), (335, 234856), (536, 146785), (620, 126898), (670, 117428), (947, 83080), (1240, 63449), (1340, 58714), (1894, 41540), (2077, 37880), (2680, 29357), (3788, 20770), (4154, 18940), (4735, 16616), (7576, 10385), (8308, 9470)]