80691660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21347}}^1$

素因数の和:21372

約数の個数: 96

約数和(自身を含む): 286917120

約数和(自身を除く): 206225460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21347, 42694, 64041, 85388, 106735, 128082, 149429, 192123, 213470, 256164, 298858, 320205, 384246, 426940, 448287, 576369, 597716, 640410, 747145, 768492, 896574, 960615, 1152738, 1280820, 1344861, 1494290, 1793148, 1921230, 2241435, 2305476, 2689722, 2881845, 2988580, 3842460, 4034583, 4482870, 5379444, 5763690, 6724305, 8069166, 8965740, 11527380, 13448610, 16138332, 20172915, 26897220, 40345830, 80691660]

約数ペア:

[(1, 80691660), (2, 40345830), (3, 26897220), (4, 20172915), (5, 16138332), (6, 13448610), (7, 11527380), (9, 8965740), (10, 8069166), (12, 6724305), (14, 5763690), (15, 5379444), (18, 4482870), (20, 4034583), (21, 3842460), (27, 2988580), (28, 2881845), (30, 2689722), (35, 2305476), (36, 2241435), (42, 1921230), (45, 1793148), (54, 1494290), (60, 1344861), (63, 1280820), (70, 1152738), (84, 960615), (90, 896574), (105, 768492), (108, 747145), (126, 640410), (135, 597716), (140, 576369), (180, 448287), (189, 426940), (210, 384246), (252, 320205), (270, 298858), (315, 256164), (378, 213470), (420, 192123), (540, 149429), (630, 128082), (756, 106735), (945, 85388), (1260, 64041), (1890, 42694), (3780, 21347)]