257609040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82567}}^1$

素因数の和:82596

約数の個数: 80

約数和(自身を含む): 860028288

約数和(自身を除く): 602419248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 82567, 165134, 247701, 330268, 412835, 495402, 660536, 825670, 990804, 1073371, 1238505, 1321072, 1651340, 1981608, 2146742, 2477010, 3220113, 3302680, 3963216, 4293484, 4954020, 5366855, 6440226, 6605360, 8586968, 9908040, 10733710, 12880452, 16100565, 17173936, 19816080, 21467420, 25760904, 32201130, 42934840, 51521808, 64402260, 85869680, 128804520, 257609040]

約数ペア:

[(1, 257609040), (2, 128804520), (3, 85869680), (4, 64402260), (5, 51521808), (6, 42934840), (8, 32201130), (10, 25760904), (12, 21467420), (13, 19816080), (15, 17173936), (16, 16100565), (20, 12880452), (24, 10733710), (26, 9908040), (30, 8586968), (39, 6605360), (40, 6440226), (48, 5366855), (52, 4954020), (60, 4293484), (65, 3963216), (78, 3302680), (80, 3220113), (104, 2477010), (120, 2146742), (130, 1981608), (156, 1651340), (195, 1321072), (208, 1238505), (240, 1073371), (260, 990804), (312, 825670), (390, 660536), (520, 495402), (624, 412835), (780, 330268), (1040, 247701), (1560, 165134), (3120, 82567)]