128412760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5153}}^1$

素因数の和:5260

約数の個数: 64

約数和(自身を含む): 333979200

約数和(自身を除く): 205566440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 5153, 6230, 10306, 12460, 20612, 24920, 25765, 36071, 41224, 51530, 72142, 103060, 144284, 180355, 206120, 288568, 360710, 458617, 721420, 917234, 1442840, 1834468, 2293085, 3210319, 3668936, 4586170, 6420638, 9172340, 12841276, 16051595, 18344680, 25682552, 32103190, 64206380, 128412760]

約数ペア:

[(1, 128412760), (2, 64206380), (4, 32103190), (5, 25682552), (7, 18344680), (8, 16051595), (10, 12841276), (14, 9172340), (20, 6420638), (28, 4586170), (35, 3668936), (40, 3210319), (56, 2293085), (70, 1834468), (89, 1442840), (140, 917234), (178, 721420), (280, 458617), (356, 360710), (445, 288568), (623, 206120), (712, 180355), (890, 144284), (1246, 103060), (1780, 72142), (2492, 51530), (3115, 41224), (3560, 36071), (4984, 25765), (5153, 24920), (6230, 20612), (10306, 12460)]