64728720

素因数分解:

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

素因数の和:1459

約数の個数: 200

約数和(自身を含む): 257108544

約数和(自身を除く): 192379824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 1008, 1080, 1134, 1260, 1296, 1427, 1512, 1620, 1680, 1890, 2160, 2268, 2520, 2835, 2854, 3024, 3240, 3780, 4281, 4536, 5040, 5670, 5708, 6480, 7135, 7560, 8562, 9072, 9989, 11340, 11416, 12843, 14270, 15120, 17124, 19978, 21405, 22680, 22832, 25686, 28540, 29967, 34248, 38529, 39956, 42810, 45360, 49945, 51372, 57080, 59934, 64215, 68496, 77058, 79912, 85620, 89901, 99890, 102744, 114160, 115587, 119868, 128430, 149835, 154116, 159824, 171240, 179802, 192645, 199780, 205488, 231174, 239736, 256860, 269703, 299670, 308232, 342480, 359604, 385290, 399560, 449505, 462348, 479472, 513720, 539406, 577935, 599340, 616464, 719208, 770580, 799120, 809109, 899010, 924696, 1027440, 1078812, 1155870, 1198680, 1348515, 1438416, 1541160, 1618218, 1798020, 1849392, 2157624, 2311740, 2397360, 2697030, 3082320, 3236436, 3596040, 4045545, 4315248, 4623480, 5394060, 6472872, 7192080, 8091090, 9246960, 10788120, 12945744, 16182180, 21576240, 32364360, 64728720]

約数ペア:

[(1, 64728720), (2, 32364360), (3, 21576240), (4, 16182180), (5, 12945744), (6, 10788120), (7, 9246960), (8, 8091090), (9, 7192080), (10, 6472872), (12, 5394060), (14, 4623480), (15, 4315248), (16, 4045545), (18, 3596040), (20, 3236436), (21, 3082320), (24, 2697030), (27, 2397360), (28, 2311740), (30, 2157624), (35, 1849392), (36, 1798020), (40, 1618218), (42, 1541160), (45, 1438416), (48, 1348515), (54, 1198680), (56, 1155870), (60, 1078812), (63, 1027440), (70, 924696), (72, 899010), (80, 809109), (81, 799120), (84, 770580), (90, 719208), (105, 616464), (108, 599340), (112, 577935), (120, 539406), (126, 513720), (135, 479472), (140, 462348), (144, 449505), (162, 399560), (168, 385290), (180, 359604), (189, 342480), (210, 308232), (216, 299670), (240, 269703), (252, 256860), (270, 239736), (280, 231174), (315, 205488), (324, 199780), (336, 192645), (360, 179802), (378, 171240), (405, 159824), (420, 154116), (432, 149835), (504, 128430), (540, 119868), (560, 115587), (567, 114160), (630, 102744), (648, 99890), (720, 89901), (756, 85620), (810, 79912), (840, 77058), (945, 68496), (1008, 64215), (1080, 59934), (1134, 57080), (1260, 51372), (1296, 49945), (1427, 45360), (1512, 42810), (1620, 39956), (1680, 38529), (1890, 34248), (2160, 29967), (2268, 28540), (2520, 25686), (2835, 22832), (2854, 22680), (3024, 21405), (3240, 19978), (3780, 17124), (4281, 15120), (4536, 14270), (5040, 12843), (5670, 11416), (5708, 11340), (6480, 9989), (7135, 9072), (7560, 8562)]