81423240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2963}}^1$

素因数の和:3206

約数の個数: 64

約数和(自身を含む): 245419200

約数和(自身を除く): 163995960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 687, 916, 1145, 1374, 1832, 2290, 2748, 2963, 3435, 4580, 5496, 5926, 6870, 8889, 9160, 11852, 13740, 14815, 17778, 23704, 27480, 29630, 35556, 44445, 59260, 71112, 88890, 118520, 177780, 355560, 678527, 1357054, 2035581, 2714108, 3392635, 4071162, 5428216, 6785270, 8142324, 10177905, 13570540, 16284648, 20355810, 27141080, 40711620, 81423240]

約数ペア:

[(1, 81423240), (2, 40711620), (3, 27141080), (4, 20355810), (5, 16284648), (6, 13570540), (8, 10177905), (10, 8142324), (12, 6785270), (15, 5428216), (20, 4071162), (24, 3392635), (30, 2714108), (40, 2035581), (60, 1357054), (120, 678527), (229, 355560), (458, 177780), (687, 118520), (916, 88890), (1145, 71112), (1374, 59260), (1832, 44445), (2290, 35556), (2748, 29630), (2963, 27480), (3435, 23704), (4580, 17778), (5496, 14815), (5926, 13740), (6870, 11852), (8889, 9160)]