217884240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2586

約数の個数: 240

約数和(自身を含む): 885800448

約数和(自身を除く): 667916208

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, 2543, 2856, 3060, 3570, 4080, 4284, 4760, 5040, 5086, 5355, 5712, 6120, 7140, 7629, 8568, 9520, 10172, 10710, 12240, 12715, 14280, 15258, 17136, 17801, 20344, 21420, 22887, 25430, 28560, 30516, 35602, 38145, 40688, 42840, 43231, 45774, 50860, 53403, 61032, 71204, 76290, 85680, 86462, 89005, 91548, 101720, 106806, 114435, 122064, 129693, 142408, 152580, 160209, 172924, 178010, 183096, 203440, 213612, 216155, 228870, 259386, 267015, 284816, 302617, 305160, 320418, 345848, 356020, 366192, 389079, 427224, 432310, 457740, 518772, 534030, 605234, 610320, 640836, 648465, 691696, 712040, 778158, 801045, 854448, 864620, 907851, 915480, 1037544, 1068060, 1210468, 1281672, 1296930, 1424080, 1513085, 1556316, 1602090, 1729240, 1815702, 1830960, 1945395, 2075088, 2136120, 2420936, 2563344, 2593860, 2723553, 3026170, 3112632, 3204180, 3458480, 3631404, 3890790, 4272240, 4539255, 4841872, 5187720, 5447106, 6052340, 6225264, 6408360, 7262808, 7781580, 9078510, 10375440, 10894212, 12104680, 12816720, 13617765, 14525616, 15563160, 18157020, 21788424, 24209360, 27235530, 31126320, 36314040, 43576848, 54471060, 72628080, 108942120, 217884240]

約数ペア:

[(1, 217884240), (2, 108942120), (3, 72628080), (4, 54471060), (5, 43576848), (6, 36314040), (7, 31126320), (8, 27235530), (9, 24209360), (10, 21788424), (12, 18157020), (14, 15563160), (15, 14525616), (16, 13617765), (17, 12816720), (18, 12104680), (20, 10894212), (21, 10375440), (24, 9078510), (28, 7781580), (30, 7262808), (34, 6408360), (35, 6225264), (36, 6052340), (40, 5447106), (42, 5187720), (45, 4841872), (48, 4539255), (51, 4272240), (56, 3890790), (60, 3631404), (63, 3458480), (68, 3204180), (70, 3112632), (72, 3026170), (80, 2723553), (84, 2593860), (85, 2563344), (90, 2420936), (102, 2136120), (105, 2075088), (112, 1945395), (119, 1830960), (120, 1815702), (126, 1729240), (136, 1602090), (140, 1556316), (144, 1513085), (153, 1424080), (168, 1296930), (170, 1281672), (180, 1210468), (204, 1068060), (210, 1037544), (238, 915480), (240, 907851), (252, 864620), (255, 854448), (272, 801045), (280, 778158), (306, 712040), (315, 691696), (336, 648465), (340, 640836), (357, 610320), (360, 605234), (408, 534030), (420, 518772), (476, 457740), (504, 432310), (510, 427224), (560, 389079), (595, 366192), (612, 356020), (630, 345848), (680, 320418), (714, 305160), (720, 302617), (765, 284816), (816, 267015), (840, 259386), (952, 228870), (1008, 216155), (1020, 213612), (1071, 203440), (1190, 183096), (1224, 178010), (1260, 172924), (1360, 160209), (1428, 152580), (1530, 142408), (1680, 129693), (1785, 122064), (1904, 114435), (2040, 106806), (2142, 101720), (2380, 91548), (2448, 89005), (2520, 86462), (2543, 85680), (2856, 76290), (3060, 71204), (3570, 61032), (4080, 53403), (4284, 50860), (4760, 45774), (5040, 43231), (5086, 42840), (5355, 40688), (5712, 38145), (6120, 35602), (7140, 30516), (7629, 28560), (8568, 25430), (9520, 22887), (10172, 21420), (10710, 20344), (12240, 17801), (12715, 17136), (14280, 15258)]