83320020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:854

約数の個数: 144

約数和(自身を含む): 292481280

約数和(自身を除く): 209161260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 743, 801, 890, 1068, 1246, 1260, 1335, 1486, 1602, 1780, 1869, 2229, 2492, 2670, 2972, 3115, 3204, 3715, 3738, 4005, 4458, 5201, 5340, 5607, 6230, 6687, 7430, 7476, 8010, 8916, 9345, 10402, 11145, 11214, 12460, 13374, 14860, 15603, 16020, 18690, 20804, 22290, 22428, 26005, 26748, 28035, 31206, 33435, 37380, 44580, 46809, 52010, 56070, 62412, 66127, 66870, 78015, 93618, 104020, 112140, 132254, 133740, 156030, 187236, 198381, 234045, 264508, 312060, 330635, 396762, 462889, 468090, 595143, 661270, 793524, 925778, 936180, 991905, 1190286, 1322540, 1388667, 1851556, 1983810, 2314445, 2380572, 2777334, 2975715, 3967620, 4166001, 4628890, 5554668, 5951430, 6943335, 8332002, 9257780, 11902860, 13886670, 16664004, 20830005, 27773340, 41660010, 83320020]

約数ペア:

[(1, 83320020), (2, 41660010), (3, 27773340), (4, 20830005), (5, 16664004), (6, 13886670), (7, 11902860), (9, 9257780), (10, 8332002), (12, 6943335), (14, 5951430), (15, 5554668), (18, 4628890), (20, 4166001), (21, 3967620), (28, 2975715), (30, 2777334), (35, 2380572), (36, 2314445), (42, 1983810), (45, 1851556), (60, 1388667), (63, 1322540), (70, 1190286), (84, 991905), (89, 936180), (90, 925778), (105, 793524), (126, 661270), (140, 595143), (178, 468090), (180, 462889), (210, 396762), (252, 330635), (267, 312060), (315, 264508), (356, 234045), (420, 198381), (445, 187236), (534, 156030), (623, 133740), (630, 132254), (743, 112140), (801, 104020), (890, 93618), (1068, 78015), (1246, 66870), (1260, 66127), (1335, 62412), (1486, 56070), (1602, 52010), (1780, 46809), (1869, 44580), (2229, 37380), (2492, 33435), (2670, 31206), (2972, 28035), (3115, 26748), (3204, 26005), (3715, 22428), (3738, 22290), (4005, 20804), (4458, 18690), (5201, 16020), (5340, 15603), (5607, 14860), (6230, 13374), (6687, 12460), (7430, 11214), (7476, 11145), (8010, 10402), (8916, 9345)]