1989741720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{16581181}}^1$

素因数の和:16581195

約数の個数: 32

約数和(自身を含む): 5969225520

約数和(自身を除く): 3979483800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 16581181, 33162362, 49743543, 66324724, 82905905, 99487086, 132649448, 165811810, 198974172, 248717715, 331623620, 397948344, 497435430, 663247240, 994870860, 1989741720]

約数ペア:

[(1, 1989741720), (2, 994870860), (3, 663247240), (4, 497435430), (5, 397948344), (6, 331623620), (8, 248717715), (10, 198974172), (12, 165811810), (15, 132649448), (20, 99487086), (24, 82905905), (30, 66324724), (40, 49743543), (60, 33162362), (120, 16581181)]