217289520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{2053}}^1$

素因数の和:2089

約数の個数: 240

約数和(自身を含む): 871060320

約数和(自身を除く): 653770800

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, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2053, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4106, 4410, 5040, 5292, 5880, 6159, 6615, 7056, 7560, 8212, 8820, 10265, 10584, 11760, 12318, 13230, 14371, 15120, 16424, 17640, 18477, 20530, 21168, 24636, 26460, 28742, 30795, 32848, 35280, 36954, 41060, 43113, 49272, 52920, 55431, 57484, 61590, 71855, 73908, 82120, 86226, 92385, 98544, 100597, 105840, 110862, 114968, 123180, 129339, 143710, 147816, 164240, 172452, 184770, 201194, 215565, 221724, 229936, 246360, 258678, 277155, 287420, 295632, 301791, 344904, 369540, 388017, 402388, 431130, 443448, 492720, 502985, 517356, 554310, 574840, 603582, 646695, 689808, 739080, 776034, 804776, 862260, 886896, 905373, 1005970, 1034712, 1108620, 1149680, 1207164, 1293390, 1478160, 1508955, 1552068, 1609552, 1724520, 1810746, 1940085, 2011940, 2069424, 2217240, 2414328, 2586780, 2716119, 3017910, 3104136, 3449040, 3621492, 3880170, 4023880, 4434480, 4526865, 4828656, 5173560, 5432238, 6035820, 6208272, 7242984, 7760340, 8047760, 9053730, 10347120, 10864476, 12071640, 13580595, 14485968, 15520680, 18107460, 21728952, 24143280, 27161190, 31041360, 36214920, 43457904, 54322380, 72429840, 108644760, 217289520]

約数ペア:

[(1, 217289520), (2, 108644760), (3, 72429840), (4, 54322380), (5, 43457904), (6, 36214920), (7, 31041360), (8, 27161190), (9, 24143280), (10, 21728952), (12, 18107460), (14, 15520680), (15, 14485968), (16, 13580595), (18, 12071640), (20, 10864476), (21, 10347120), (24, 9053730), (27, 8047760), (28, 7760340), (30, 7242984), (35, 6208272), (36, 6035820), (40, 5432238), (42, 5173560), (45, 4828656), (48, 4526865), (49, 4434480), (54, 4023880), (56, 3880170), (60, 3621492), (63, 3449040), (70, 3104136), (72, 3017910), (80, 2716119), (84, 2586780), (90, 2414328), (98, 2217240), (105, 2069424), (108, 2011940), (112, 1940085), (120, 1810746), (126, 1724520), (135, 1609552), (140, 1552068), (144, 1508955), (147, 1478160), (168, 1293390), (180, 1207164), (189, 1149680), (196, 1108620), (210, 1034712), (216, 1005970), (240, 905373), (245, 886896), (252, 862260), (270, 804776), (280, 776034), (294, 739080), (315, 689808), (336, 646695), (360, 603582), (378, 574840), (392, 554310), (420, 517356), (432, 502985), (441, 492720), (490, 443448), (504, 431130), (540, 402388), (560, 388017), (588, 369540), (630, 344904), (720, 301791), (735, 295632), (756, 287420), (784, 277155), (840, 258678), (882, 246360), (945, 229936), (980, 221724), (1008, 215565), (1080, 201194), (1176, 184770), (1260, 172452), (1323, 164240), (1470, 147816), (1512, 143710), (1680, 129339), (1764, 123180), (1890, 114968), (1960, 110862), (2053, 105840), (2160, 100597), (2205, 98544), (2352, 92385), (2520, 86226), (2646, 82120), (2940, 73908), (3024, 71855), (3528, 61590), (3780, 57484), (3920, 55431), (4106, 52920), (4410, 49272), (5040, 43113), (5292, 41060), (5880, 36954), (6159, 35280), (6615, 32848), (7056, 30795), (7560, 28742), (8212, 26460), (8820, 24636), (10265, 21168), (10584, 20530), (11760, 18477), (12318, 17640), (13230, 16424), (14371, 15120)]