28125780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 83462400

約数和(自身を除く): 55336620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 89, 92, 115, 138, 178, 229, 230, 267, 276, 345, 356, 445, 458, 460, 534, 687, 690, 890, 916, 1068, 1145, 1335, 1374, 1380, 1780, 2047, 2290, 2670, 2748, 3435, 4094, 4580, 5267, 5340, 6141, 6870, 8188, 10235, 10534, 12282, 13740, 15801, 20381, 20470, 21068, 24564, 26335, 30705, 31602, 40762, 40940, 52670, 61143, 61410, 63204, 79005, 81524, 101905, 105340, 122286, 122820, 158010, 203810, 244572, 305715, 316020, 407620, 468763, 611430, 937526, 1222860, 1406289, 1875052, 2343815, 2812578, 4687630, 5625156, 7031445, 9375260, 14062890, 28125780]

約数ペア:

[(1, 28125780), (2, 14062890), (3, 9375260), (4, 7031445), (5, 5625156), (6, 4687630), (10, 2812578), (12, 2343815), (15, 1875052), (20, 1406289), (23, 1222860), (30, 937526), (46, 611430), (60, 468763), (69, 407620), (89, 316020), (92, 305715), (115, 244572), (138, 203810), (178, 158010), (229, 122820), (230, 122286), (267, 105340), (276, 101905), (345, 81524), (356, 79005), (445, 63204), (458, 61410), (460, 61143), (534, 52670), (687, 40940), (690, 40762), (890, 31602), (916, 30705), (1068, 26335), (1145, 24564), (1335, 21068), (1374, 20470), (1380, 20381), (1780, 15801), (2047, 13740), (2290, 12282), (2670, 10534), (2748, 10235), (3435, 8188), (4094, 6870), (4580, 6141), (5267, 5340)]