218808240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1$

素因数の和:1099

約数の個数: 160

約数和(自身を含む): 781616640

約数和(自身を除く): 562808400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 139, 140, 168, 210, 240, 278, 280, 336, 417, 420, 556, 560, 695, 834, 840, 937, 973, 1112, 1390, 1668, 1680, 1874, 1946, 2085, 2224, 2780, 2811, 2919, 3336, 3748, 3892, 4170, 4685, 4865, 5560, 5622, 5838, 6559, 6672, 7496, 7784, 8340, 9370, 9730, 11120, 11244, 11676, 13118, 14055, 14595, 14992, 15568, 16680, 18740, 19460, 19677, 22488, 23352, 26236, 28110, 29190, 32795, 33360, 37480, 38920, 39354, 44976, 46704, 52472, 56220, 58380, 65590, 74960, 77840, 78708, 98385, 104944, 112440, 116760, 130243, 131180, 157416, 196770, 224880, 233520, 260486, 262360, 314832, 390729, 393540, 520972, 524720, 651215, 781458, 787080, 911701, 1041944, 1302430, 1562916, 1574160, 1823402, 1953645, 2083888, 2604860, 2735103, 3125832, 3646804, 3907290, 4558505, 5209720, 5470206, 6251664, 7293608, 7814580, 9117010, 10419440, 10940412, 13675515, 14587216, 15629160, 18234020, 21880824, 27351030, 31258320, 36468040, 43761648, 54702060, 72936080, 109404120, 218808240]

約数ペア:

[(1, 218808240), (2, 109404120), (3, 72936080), (4, 54702060), (5, 43761648), (6, 36468040), (7, 31258320), (8, 27351030), (10, 21880824), (12, 18234020), (14, 15629160), (15, 14587216), (16, 13675515), (20, 10940412), (21, 10419440), (24, 9117010), (28, 7814580), (30, 7293608), (35, 6251664), (40, 5470206), (42, 5209720), (48, 4558505), (56, 3907290), (60, 3646804), (70, 3125832), (80, 2735103), (84, 2604860), (105, 2083888), (112, 1953645), (120, 1823402), (139, 1574160), (140, 1562916), (168, 1302430), (210, 1041944), (240, 911701), (278, 787080), (280, 781458), (336, 651215), (417, 524720), (420, 520972), (556, 393540), (560, 390729), (695, 314832), (834, 262360), (840, 260486), (937, 233520), (973, 224880), (1112, 196770), (1390, 157416), (1668, 131180), (1680, 130243), (1874, 116760), (1946, 112440), (2085, 104944), (2224, 98385), (2780, 78708), (2811, 77840), (2919, 74960), (3336, 65590), (3748, 58380), (3892, 56220), (4170, 52472), (4685, 46704), (4865, 44976), (5560, 39354), (5622, 38920), (5838, 37480), (6559, 33360), (6672, 32795), (7496, 29190), (7784, 28110), (8340, 26236), (9370, 23352), (9730, 22488), (11120, 19677), (11244, 19460), (11676, 18740), (13118, 16680), (14055, 15568), (14595, 14992)]