128902760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7547}}^1$

素因数の和:7626

約数の個数: 64

約数和(自身を含む): 336942720

約数和(自身を除く): 208039960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 7547, 8540, 15094, 17080, 30188, 37735, 52829, 60376, 75470, 105658, 150940, 211316, 264145, 301880, 422632, 460367, 528290, 920734, 1056580, 1841468, 2113160, 2301835, 3222569, 3682936, 4603670, 6445138, 9207340, 12890276, 16112845, 18414680, 25780552, 32225690, 64451380, 128902760]

約数ペア:

[(1, 128902760), (2, 64451380), (4, 32225690), (5, 25780552), (7, 18414680), (8, 16112845), (10, 12890276), (14, 9207340), (20, 6445138), (28, 4603670), (35, 3682936), (40, 3222569), (56, 2301835), (61, 2113160), (70, 1841468), (122, 1056580), (140, 920734), (244, 528290), (280, 460367), (305, 422632), (427, 301880), (488, 264145), (610, 211316), (854, 150940), (1220, 105658), (1708, 75470), (2135, 60376), (2440, 52829), (3416, 37735), (4270, 30188), (7547, 17080), (8540, 15094)]