172414480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{617}}^1$

素因数の和:1136

約数の個数: 80

約数和(自身を含む): 459792000

約数和(自身を除く): 287377520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 499, 560, 617, 998, 1234, 1996, 2468, 2495, 3085, 3493, 3992, 4319, 4936, 4990, 6170, 6986, 7984, 8638, 9872, 9980, 12340, 13972, 17276, 17465, 19960, 21595, 24680, 27944, 34552, 34930, 39920, 43190, 49360, 55888, 69104, 69860, 86380, 139720, 172760, 279440, 307883, 345520, 615766, 1231532, 1539415, 2155181, 2463064, 3078830, 4310362, 4926128, 6157660, 8620724, 10775905, 12315320, 17241448, 21551810, 24630640, 34482896, 43103620, 86207240, 172414480]

約数ペア:

[(1, 172414480), (2, 86207240), (4, 43103620), (5, 34482896), (7, 24630640), (8, 21551810), (10, 17241448), (14, 12315320), (16, 10775905), (20, 8620724), (28, 6157660), (35, 4926128), (40, 4310362), (56, 3078830), (70, 2463064), (80, 2155181), (112, 1539415), (140, 1231532), (280, 615766), (499, 345520), (560, 307883), (617, 279440), (998, 172760), (1234, 139720), (1996, 86380), (2468, 69860), (2495, 69104), (3085, 55888), (3493, 49360), (3992, 43190), (4319, 39920), (4936, 34930), (4990, 34552), (6170, 27944), (6986, 24680), (7984, 21595), (8638, 19960), (9872, 17465), (9980, 17276), (12340, 13972)]