87980060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 223534080

約数和(自身を除く): 135554020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 230, 307, 322, 356, 445, 460, 614, 623, 644, 805, 890, 1228, 1246, 1535, 1610, 1780, 2047, 2149, 2492, 3070, 3115, 3220, 4094, 4298, 6140, 6230, 7061, 8188, 8596, 10235, 10745, 12460, 14122, 14329, 20470, 21490, 27323, 28244, 28658, 35305, 40940, 42980, 49427, 54646, 57316, 70610, 71645, 98854, 109292, 136615, 141220, 143290, 191261, 197708, 247135, 273230, 286580, 382522, 494270, 546460, 628429, 765044, 956305, 988540, 1256858, 1912610, 2513716, 3142145, 3825220, 4399003, 6284290, 8798006, 12568580, 17596012, 21995015, 43990030, 87980060]

約数ペア:

[(1, 87980060), (2, 43990030), (4, 21995015), (5, 17596012), (7, 12568580), (10, 8798006), (14, 6284290), (20, 4399003), (23, 3825220), (28, 3142145), (35, 2513716), (46, 1912610), (70, 1256858), (89, 988540), (92, 956305), (115, 765044), (140, 628429), (161, 546460), (178, 494270), (230, 382522), (307, 286580), (322, 273230), (356, 247135), (445, 197708), (460, 191261), (614, 143290), (623, 141220), (644, 136615), (805, 109292), (890, 98854), (1228, 71645), (1246, 70610), (1535, 57316), (1610, 54646), (1780, 49427), (2047, 42980), (2149, 40940), (2492, 35305), (3070, 28658), (3115, 28244), (3220, 27323), (4094, 21490), (4298, 20470), (6140, 14329), (6230, 14122), (7061, 12460), (8188, 10745), (8596, 10235)]