129483320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 302037120

約数和(自身を除く): 172553800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 907, 1660, 1720, 1814, 3320, 3569, 3628, 4535, 7138, 7256, 9070, 14276, 17845, 18140, 28552, 35690, 36280, 39001, 71380, 75281, 78002, 142760, 150562, 156004, 195005, 301124, 312008, 376405, 390010, 602248, 752810, 780020, 1505620, 1560040, 3011240, 3237083, 6474166, 12948332, 16185415, 25896664, 32370830, 64741660, 129483320]

約数ペア:

[(1, 129483320), (2, 64741660), (4, 32370830), (5, 25896664), (8, 16185415), (10, 12948332), (20, 6474166), (40, 3237083), (43, 3011240), (83, 1560040), (86, 1505620), (166, 780020), (172, 752810), (215, 602248), (332, 390010), (344, 376405), (415, 312008), (430, 301124), (664, 195005), (830, 156004), (860, 150562), (907, 142760), (1660, 78002), (1720, 75281), (1814, 71380), (3320, 39001), (3569, 36280), (3628, 35690), (4535, 28552), (7138, 18140), (7256, 17845), (9070, 14276)]