84218680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1409

約数の個数: 128

約数和(自身を含む): 247121280

約数和(自身を除く): 162902600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1361, 1547, 1768, 1820, 2210, 2380, 2722, 3094, 3640, 4420, 4760, 5444, 6188, 6805, 7735, 8840, 9527, 10888, 12376, 13610, 15470, 17693, 19054, 23137, 27220, 30940, 35386, 38108, 46274, 47635, 54440, 61880, 70772, 76216, 88465, 92548, 95270, 115685, 123851, 141544, 161959, 176930, 185096, 190540, 231370, 247702, 300781, 323918, 353860, 381080, 462740, 495404, 601562, 619255, 647836, 707720, 809795, 925480, 990808, 1203124, 1238510, 1295672, 1503905, 1619590, 2105467, 2406248, 2477020, 3007810, 3239180, 4210934, 4954040, 6015620, 6478360, 8421868, 10527335, 12031240, 16843736, 21054670, 42109340, 84218680]

約数ペア:

[(1, 84218680), (2, 42109340), (4, 21054670), (5, 16843736), (7, 12031240), (8, 10527335), (10, 8421868), (13, 6478360), (14, 6015620), (17, 4954040), (20, 4210934), (26, 3239180), (28, 3007810), (34, 2477020), (35, 2406248), (40, 2105467), (52, 1619590), (56, 1503905), (65, 1295672), (68, 1238510), (70, 1203124), (85, 990808), (91, 925480), (104, 809795), (119, 707720), (130, 647836), (136, 619255), (140, 601562), (170, 495404), (182, 462740), (221, 381080), (238, 353860), (260, 323918), (280, 300781), (340, 247702), (364, 231370), (442, 190540), (455, 185096), (476, 176930), (520, 161959), (595, 141544), (680, 123851), (728, 115685), (884, 95270), (910, 92548), (952, 88465), (1105, 76216), (1190, 70772), (1361, 61880), (1547, 54440), (1768, 47635), (1820, 46274), (2210, 38108), (2380, 35386), (2722, 30940), (3094, 27220), (3640, 23137), (4420, 19054), (4760, 17693), (5444, 15470), (6188, 13610), (6805, 12376), (7735, 10888), (8840, 9527)]