278556720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 320

約数和(自身を含む): 1013268480

約数和(自身を除く): 734711760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 37, 38, 39, 40, 48, 52, 57, 60, 65, 74, 76, 78, 80, 95, 104, 111, 114, 120, 127, 130, 148, 152, 156, 185, 190, 195, 208, 222, 228, 240, 247, 254, 260, 285, 296, 304, 312, 370, 380, 381, 390, 444, 456, 481, 494, 508, 520, 555, 570, 592, 624, 635, 703, 740, 741, 760, 762, 780, 888, 912, 962, 988, 1016, 1040, 1110, 1140, 1235, 1270, 1406, 1443, 1480, 1482, 1520, 1524, 1560, 1651, 1776, 1905, 1924, 1976, 2032, 2109, 2220, 2280, 2405, 2413, 2470, 2540, 2812, 2886, 2960, 2964, 3048, 3120, 3302, 3515, 3705, 3810, 3848, 3952, 4218, 4440, 4560, 4699, 4810, 4826, 4940, 4953, 5080, 5624, 5772, 5928, 6096, 6604, 7030, 7215, 7239, 7410, 7620, 7696, 8255, 8436, 8880, 9139, 9398, 9620, 9652, 9880, 9906, 10160, 10545, 11248, 11544, 11856, 12065, 13208, 14060, 14097, 14430, 14478, 14820, 15240, 16510, 16872, 18278, 18796, 19240, 19304, 19760, 19812, 21090, 23088, 23495, 24130, 24765, 26416, 27417, 28120, 28194, 28860, 28956, 29640, 30480, 31369, 33020, 33744, 36195, 36556, 37592, 38480, 38608, 39624, 42180, 45695, 46990, 48260, 49530, 54834, 56240, 56388, 57720, 57912, 59280, 61087, 62738, 66040, 70485, 72390, 73112, 75184, 79248, 84360, 89281, 91390, 93980, 94107, 96520, 99060, 109668, 112776, 115440, 115824, 122174, 125476, 132080, 137085, 140970, 144780, 146224, 156845, 168720, 178562, 182780, 183261, 187960, 188214, 193040, 198120, 219336, 225552, 244348, 250952, 267843, 274170, 281940, 289560, 305435, 313690, 357124, 365560, 366522, 375920, 376428, 396240, 438672, 446405, 470535, 488696, 501904, 535686, 548340, 563880, 579120, 610870, 627380, 714248, 731120, 733044, 752856, 892810, 916305, 941070, 977392, 1071372, 1096680, 1127760, 1160653, 1221740, 1254760, 1339215, 1428496, 1466088, 1505712, 1785620, 1832610, 1882140, 2142744, 2193360, 2321306, 2443480, 2509520, 2678430, 2932176, 3481959, 3571240, 3665220, 3764280, 4285488, 4642612, 4886960, 5356860, 5803265, 6963918, 7142480, 7330440, 7528560, 9285224, 10713720, 11606530, 13927836, 14660880, 17409795, 18570448, 21427440, 23213060, 27855672, 34819590, 46426120, 55711344, 69639180, 92852240, 139278360, 278556720]

約数ペア:

[(1, 278556720), (2, 139278360), (3, 92852240), (4, 69639180), (5, 55711344), (6, 46426120), (8, 34819590), (10, 27855672), (12, 23213060), (13, 21427440), (15, 18570448), (16, 17409795), (19, 14660880), (20, 13927836), (24, 11606530), (26, 10713720), (30, 9285224), (37, 7528560), (38, 7330440), (39, 7142480), (40, 6963918), (48, 5803265), (52, 5356860), (57, 4886960), (60, 4642612), (65, 4285488), (74, 3764280), (76, 3665220), (78, 3571240), (80, 3481959), (95, 2932176), (104, 2678430), (111, 2509520), (114, 2443480), (120, 2321306), (127, 2193360), (130, 2142744), (148, 1882140), (152, 1832610), (156, 1785620), (185, 1505712), (190, 1466088), (195, 1428496), (208, 1339215), (222, 1254760), (228, 1221740), (240, 1160653), (247, 1127760), (254, 1096680), (260, 1071372), (285, 977392), (296, 941070), (304, 916305), (312, 892810), (370, 752856), (380, 733044), (381, 731120), (390, 714248), (444, 627380), (456, 610870), (481, 579120), (494, 563880), (508, 548340), (520, 535686), (555, 501904), (570, 488696), (592, 470535), (624, 446405), (635, 438672), (703, 396240), (740, 376428), (741, 375920), (760, 366522), (762, 365560), (780, 357124), (888, 313690), (912, 305435), (962, 289560), (988, 281940), (1016, 274170), (1040, 267843), (1110, 250952), (1140, 244348), (1235, 225552), (1270, 219336), (1406, 198120), (1443, 193040), (1480, 188214), (1482, 187960), (1520, 183261), (1524, 182780), (1560, 178562), (1651, 168720), (1776, 156845), (1905, 146224), (1924, 144780), (1976, 140970), (2032, 137085), (2109, 132080), (2220, 125476), (2280, 122174), (2405, 115824), (2413, 115440), (2470, 112776), (2540, 109668), (2812, 99060), (2886, 96520), (2960, 94107), (2964, 93980), (3048, 91390), (3120, 89281), (3302, 84360), (3515, 79248), (3705, 75184), (3810, 73112), (3848, 72390), (3952, 70485), (4218, 66040), (4440, 62738), (4560, 61087), (4699, 59280), (4810, 57912), (4826, 57720), (4940, 56388), (4953, 56240), (5080, 54834), (5624, 49530), (5772, 48260), (5928, 46990), (6096, 45695), (6604, 42180), (7030, 39624), (7215, 38608), (7239, 38480), (7410, 37592), (7620, 36556), (7696, 36195), (8255, 33744), (8436, 33020), (8880, 31369), (9139, 30480), (9398, 29640), (9620, 28956), (9652, 28860), (9880, 28194), (9906, 28120), (10160, 27417), (10545, 26416), (11248, 24765), (11544, 24130), (11856, 23495), (12065, 23088), (13208, 21090), (14060, 19812), (14097, 19760), (14430, 19304), (14478, 19240), (14820, 18796), (15240, 18278), (16510, 16872)]