345211440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{205483}}^1$

素因数の和:205506

約数の個数: 80

約数和(自身を含む): 1223040768

約数和(自身を除く): 877829328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 205483, 410966, 616449, 821932, 1027415, 1232898, 1438381, 1643864, 2054830, 2465796, 2876762, 3082245, 3287728, 4109660, 4315143, 4931592, 5753524, 6164490, 7191905, 8219320, 8630286, 9863184, 11507048, 12328980, 14383810, 16438640, 17260572, 21575715, 23014096, 24657960, 28767620, 34521144, 43151430, 49315920, 57535240, 69042288, 86302860, 115070480, 172605720, 345211440]

約数ペア:

[(1, 345211440), (2, 172605720), (3, 115070480), (4, 86302860), (5, 69042288), (6, 57535240), (7, 49315920), (8, 43151430), (10, 34521144), (12, 28767620), (14, 24657960), (15, 23014096), (16, 21575715), (20, 17260572), (21, 16438640), (24, 14383810), (28, 12328980), (30, 11507048), (35, 9863184), (40, 8630286), (42, 8219320), (48, 7191905), (56, 6164490), (60, 5753524), (70, 4931592), (80, 4315143), (84, 4109660), (105, 3287728), (112, 3082245), (120, 2876762), (140, 2465796), (168, 2054830), (210, 1643864), (240, 1438381), (280, 1232898), (336, 1027415), (420, 821932), (560, 616449), (840, 410966), (1680, 205483)]