128804520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82567}}^1$

素因数の和:82594

約数の個数: 64

約数和(自身を含む): 416142720

約数和(自身を除く): 287338200

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, 82567, 165134, 247701, 330268, 412835, 495402, 660536, 825670, 990804, 1073371, 1238505, 1651340, 1981608, 2146742, 2477010, 3220113, 3302680, 4293484, 4954020, 5366855, 6440226, 8586968, 9908040, 10733710, 12880452, 16100565, 21467420, 25760904, 32201130, 42934840, 64402260, 128804520]

約数ペア:

[(1, 128804520), (2, 64402260), (3, 42934840), (4, 32201130), (5, 25760904), (6, 21467420), (8, 16100565), (10, 12880452), (12, 10733710), (13, 9908040), (15, 8586968), (20, 6440226), (24, 5366855), (26, 4954020), (30, 4293484), (39, 3302680), (40, 3220113), (52, 2477010), (60, 2146742), (65, 1981608), (78, 1651340), (104, 1238505), (120, 1073371), (130, 990804), (156, 825670), (195, 660536), (260, 495402), (312, 412835), (390, 330268), (520, 247701), (780, 165134), (1560, 82567)]