68625960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43991}}^1$

素因数の和:44018

約数の個数: 64

約数和(自身を含む): 221719680

約数和(自身を除く): 153093720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 43991, 87982, 131973, 175964, 219955, 263946, 351928, 439910, 527892, 571883, 659865, 879820, 1055784, 1143766, 1319730, 1715649, 1759640, 2287532, 2639460, 2859415, 3431298, 4575064, 5278920, 5718830, 6862596, 8578245, 11437660, 13725192, 17156490, 22875320, 34312980, 68625960]

約数ペア:

[(1, 68625960), (2, 34312980), (3, 22875320), (4, 17156490), (5, 13725192), (6, 11437660), (8, 8578245), (10, 6862596), (12, 5718830), (13, 5278920), (15, 4575064), (20, 3431298), (24, 2859415), (26, 2639460), (30, 2287532), (39, 1759640), (40, 1715649), (52, 1319730), (60, 1143766), (65, 1055784), (78, 879820), (104, 659865), (120, 571883), (130, 527892), (156, 439910), (195, 351928), (260, 263946), (312, 219955), (390, 175964), (520, 131973), (780, 87982), (1560, 43991)]