217541520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2539}}^1$

素因数の和:2582

約数の個数: 240

約数和(自身を含む): 884407680

約数和(自身を除く): 666866160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2520, 2539, 2856, 3060, 3570, 4080, 4284, 4760, 5040, 5078, 5355, 5712, 6120, 7140, 7617, 8568, 9520, 10156, 10710, 12240, 12695, 14280, 15234, 17136, 17773, 20312, 21420, 22851, 25390, 28560, 30468, 35546, 38085, 40624, 42840, 43163, 45702, 50780, 53319, 60936, 71092, 76170, 85680, 86326, 88865, 91404, 101560, 106638, 114255, 121872, 129489, 142184, 152340, 159957, 172652, 177730, 182808, 203120, 213276, 215815, 228510, 258978, 266595, 284368, 302141, 304680, 319914, 345304, 355460, 365616, 388467, 426552, 431630, 457020, 517956, 533190, 604282, 609360, 639828, 647445, 690608, 710920, 776934, 799785, 853104, 863260, 906423, 914040, 1035912, 1066380, 1208564, 1279656, 1294890, 1421840, 1510705, 1553868, 1599570, 1726520, 1812846, 1828080, 1942335, 2071824, 2132760, 2417128, 2559312, 2589780, 2719269, 3021410, 3107736, 3199140, 3453040, 3625692, 3884670, 4265520, 4532115, 4834256, 5179560, 5438538, 6042820, 6215472, 6398280, 7251384, 7769340, 9064230, 10359120, 10877076, 12085640, 12796560, 13596345, 14502768, 15538680, 18128460, 21754152, 24171280, 27192690, 31077360, 36256920, 43508304, 54385380, 72513840, 108770760, 217541520]

約数ペア:

[(1, 217541520), (2, 108770760), (3, 72513840), (4, 54385380), (5, 43508304), (6, 36256920), (7, 31077360), (8, 27192690), (9, 24171280), (10, 21754152), (12, 18128460), (14, 15538680), (15, 14502768), (16, 13596345), (17, 12796560), (18, 12085640), (20, 10877076), (21, 10359120), (24, 9064230), (28, 7769340), (30, 7251384), (34, 6398280), (35, 6215472), (36, 6042820), (40, 5438538), (42, 5179560), (45, 4834256), (48, 4532115), (51, 4265520), (56, 3884670), (60, 3625692), (63, 3453040), (68, 3199140), (70, 3107736), (72, 3021410), (80, 2719269), (84, 2589780), (85, 2559312), (90, 2417128), (102, 2132760), (105, 2071824), (112, 1942335), (119, 1828080), (120, 1812846), (126, 1726520), (136, 1599570), (140, 1553868), (144, 1510705), (153, 1421840), (168, 1294890), (170, 1279656), (180, 1208564), (204, 1066380), (210, 1035912), (238, 914040), (240, 906423), (252, 863260), (255, 853104), (272, 799785), (280, 776934), (306, 710920), (315, 690608), (336, 647445), (340, 639828), (357, 609360), (360, 604282), (408, 533190), (420, 517956), (476, 457020), (504, 431630), (510, 426552), (560, 388467), (595, 365616), (612, 355460), (630, 345304), (680, 319914), (714, 304680), (720, 302141), (765, 284368), (816, 266595), (840, 258978), (952, 228510), (1008, 215815), (1020, 213276), (1071, 203120), (1190, 182808), (1224, 177730), (1260, 172652), (1360, 159957), (1428, 152340), (1530, 142184), (1680, 129489), (1785, 121872), (1904, 114255), (2040, 106638), (2142, 101560), (2380, 91404), (2448, 88865), (2520, 86326), (2539, 85680), (2856, 76170), (3060, 71092), (3570, 60936), (4080, 53319), (4284, 50780), (4760, 45702), (5040, 43163), (5078, 42840), (5355, 40624), (5712, 38085), (6120, 35546), (7140, 30468), (7617, 28560), (8568, 25390), (9520, 22851), (10156, 21420), (10710, 20312), (12240, 17773), (12695, 17136), (14280, 15234)]