259651560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{309109}}^1$

素因数の和:309130

約数の個数: 64

約数和(自身を含む): 890236800

約数和(自身を除く): 630585240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 309109, 618218, 927327, 1236436, 1545545, 1854654, 2163763, 2472872, 3091090, 3709308, 4327526, 4636635, 6182180, 6491289, 7418616, 8655052, 9273270, 10818815, 12364360, 12982578, 17310104, 18546540, 21637630, 25965156, 32456445, 37093080, 43275260, 51930312, 64912890, 86550520, 129825780, 259651560]

約数ペア:

[(1, 259651560), (2, 129825780), (3, 86550520), (4, 64912890), (5, 51930312), (6, 43275260), (7, 37093080), (8, 32456445), (10, 25965156), (12, 21637630), (14, 18546540), (15, 17310104), (20, 12982578), (21, 12364360), (24, 10818815), (28, 9273270), (30, 8655052), (35, 7418616), (40, 6491289), (42, 6182180), (56, 4636635), (60, 4327526), (70, 3709308), (84, 3091090), (105, 2472872), (120, 2163763), (140, 1854654), (168, 1545545), (210, 1236436), (280, 927327), (420, 618218), (840, 309109)]