2445720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 7452000

約数和(自身を除く): 5006280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 229, 267, 356, 445, 458, 534, 687, 712, 890, 916, 1068, 1145, 1335, 1374, 1780, 1832, 2136, 2290, 2670, 2748, 3435, 3560, 4580, 5340, 5496, 6870, 9160, 10680, 13740, 20381, 27480, 40762, 61143, 81524, 101905, 122286, 163048, 203810, 244572, 305715, 407620, 489144, 611430, 815240, 1222860, 2445720]

約数ペア:

[(1, 2445720), (2, 1222860), (3, 815240), (4, 611430), (5, 489144), (6, 407620), (8, 305715), (10, 244572), (12, 203810), (15, 163048), (20, 122286), (24, 101905), (30, 81524), (40, 61143), (60, 40762), (89, 27480), (120, 20381), (178, 13740), (229, 10680), (267, 9160), (356, 6870), (445, 5496), (458, 5340), (534, 4580), (687, 3560), (712, 3435), (890, 2748), (916, 2670), (1068, 2290), (1145, 2136), (1335, 1832), (1374, 1780)]