80910900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{1427}}^1$

素因数の和:1460

約数の個数: 180

約数和(自身を含む): 299959968

約数和(自身を除く): 219049068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1050, 1134, 1260, 1350, 1427, 1575, 1620, 1890, 2025, 2100, 2268, 2700, 2835, 2854, 3150, 3780, 4050, 4281, 4725, 5670, 5708, 6300, 7135, 8100, 8562, 9450, 9989, 11340, 12843, 14175, 14270, 17124, 18900, 19978, 21405, 25686, 28350, 28540, 29967, 35675, 38529, 39956, 42810, 49945, 51372, 56700, 59934, 64215, 71350, 77058, 85620, 89901, 99890, 107025, 115587, 119868, 128430, 142700, 149835, 154116, 179802, 192645, 199780, 214050, 231174, 249725, 256860, 269703, 299670, 321075, 359604, 385290, 428100, 449505, 462348, 499450, 539406, 577935, 599340, 642150, 749175, 770580, 809109, 899010, 963225, 998900, 1078812, 1155870, 1284300, 1348515, 1498350, 1618218, 1798020, 1926450, 2247525, 2311740, 2697030, 2889675, 2996700, 3236436, 3852900, 4045545, 4495050, 5394060, 5779350, 6742575, 8091090, 8990100, 11558700, 13485150, 16182180, 20227725, 26970300, 40455450, 80910900]

約数ペア:

[(1, 80910900), (2, 40455450), (3, 26970300), (4, 20227725), (5, 16182180), (6, 13485150), (7, 11558700), (9, 8990100), (10, 8091090), (12, 6742575), (14, 5779350), (15, 5394060), (18, 4495050), (20, 4045545), (21, 3852900), (25, 3236436), (27, 2996700), (28, 2889675), (30, 2697030), (35, 2311740), (36, 2247525), (42, 1926450), (45, 1798020), (50, 1618218), (54, 1498350), (60, 1348515), (63, 1284300), (70, 1155870), (75, 1078812), (81, 998900), (84, 963225), (90, 899010), (100, 809109), (105, 770580), (108, 749175), (126, 642150), (135, 599340), (140, 577935), (150, 539406), (162, 499450), (175, 462348), (180, 449505), (189, 428100), (210, 385290), (225, 359604), (252, 321075), (270, 299670), (300, 269703), (315, 256860), (324, 249725), (350, 231174), (378, 214050), (405, 199780), (420, 192645), (450, 179802), (525, 154116), (540, 149835), (567, 142700), (630, 128430), (675, 119868), (700, 115587), (756, 107025), (810, 99890), (900, 89901), (945, 85620), (1050, 77058), (1134, 71350), (1260, 64215), (1350, 59934), (1427, 56700), (1575, 51372), (1620, 49945), (1890, 42810), (2025, 39956), (2100, 38529), (2268, 35675), (2700, 29967), (2835, 28540), (2854, 28350), (3150, 25686), (3780, 21405), (4050, 19978), (4281, 18900), (4725, 17124), (5670, 14270), (5708, 14175), (6300, 12843), (7135, 11340), (8100, 9989), (8562, 9450)]