656424720

素因数分解:

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

素因数の和:1102

約数の個数: 240

約数和(自身を含む): 2540254080

約数和(自身を除く): 1883829360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 139, 140, 144, 168, 180, 210, 240, 252, 278, 280, 315, 336, 360, 417, 420, 504, 556, 560, 630, 695, 720, 834, 840, 937, 973, 1008, 1112, 1251, 1260, 1390, 1668, 1680, 1874, 1946, 2085, 2224, 2502, 2520, 2780, 2811, 2919, 3336, 3748, 3892, 4170, 4685, 4865, 5004, 5040, 5560, 5622, 5838, 6255, 6559, 6672, 7496, 7784, 8340, 8433, 8757, 9370, 9730, 10008, 11120, 11244, 11676, 12510, 13118, 14055, 14595, 14992, 15568, 16680, 16866, 17514, 18740, 19460, 19677, 20016, 22488, 23352, 25020, 26236, 28110, 29190, 32795, 33360, 33732, 35028, 37480, 38920, 39354, 42165, 43785, 44976, 46704, 50040, 52472, 56220, 58380, 59031, 65590, 67464, 70056, 74960, 77840, 78708, 84330, 87570, 98385, 100080, 104944, 112440, 116760, 118062, 130243, 131180, 134928, 140112, 157416, 168660, 175140, 196770, 224880, 233520, 236124, 260486, 262360, 295155, 314832, 337320, 350280, 390729, 393540, 472248, 520972, 524720, 590310, 651215, 674640, 700560, 781458, 787080, 911701, 944496, 1041944, 1172187, 1180620, 1302430, 1562916, 1574160, 1823402, 1953645, 2083888, 2344374, 2361240, 2604860, 2735103, 3125832, 3646804, 3907290, 4558505, 4688748, 4722480, 5209720, 5470206, 5860935, 6251664, 7293608, 7814580, 8205309, 9117010, 9377496, 10419440, 10940412, 11721870, 13675515, 14587216, 15629160, 16410618, 18234020, 18754992, 21880824, 23443740, 27351030, 31258320, 32821236, 36468040, 41026545, 43761648, 46887480, 54702060, 65642472, 72936080, 82053090, 93774960, 109404120, 131284944, 164106180, 218808240, 328212360, 656424720]

約数ペア:

[(1, 656424720), (2, 328212360), (3, 218808240), (4, 164106180), (5, 131284944), (6, 109404120), (7, 93774960), (8, 82053090), (9, 72936080), (10, 65642472), (12, 54702060), (14, 46887480), (15, 43761648), (16, 41026545), (18, 36468040), (20, 32821236), (21, 31258320), (24, 27351030), (28, 23443740), (30, 21880824), (35, 18754992), (36, 18234020), (40, 16410618), (42, 15629160), (45, 14587216), (48, 13675515), (56, 11721870), (60, 10940412), (63, 10419440), (70, 9377496), (72, 9117010), (80, 8205309), (84, 7814580), (90, 7293608), (105, 6251664), (112, 5860935), (120, 5470206), (126, 5209720), (139, 4722480), (140, 4688748), (144, 4558505), (168, 3907290), (180, 3646804), (210, 3125832), (240, 2735103), (252, 2604860), (278, 2361240), (280, 2344374), (315, 2083888), (336, 1953645), (360, 1823402), (417, 1574160), (420, 1562916), (504, 1302430), (556, 1180620), (560, 1172187), (630, 1041944), (695, 944496), (720, 911701), (834, 787080), (840, 781458), (937, 700560), (973, 674640), (1008, 651215), (1112, 590310), (1251, 524720), (1260, 520972), (1390, 472248), (1668, 393540), (1680, 390729), (1874, 350280), (1946, 337320), (2085, 314832), (2224, 295155), (2502, 262360), (2520, 260486), (2780, 236124), (2811, 233520), (2919, 224880), (3336, 196770), (3748, 175140), (3892, 168660), (4170, 157416), (4685, 140112), (4865, 134928), (5004, 131180), (5040, 130243), (5560, 118062), (5622, 116760), (5838, 112440), (6255, 104944), (6559, 100080), (6672, 98385), (7496, 87570), (7784, 84330), (8340, 78708), (8433, 77840), (8757, 74960), (9370, 70056), (9730, 67464), (10008, 65590), (11120, 59031), (11244, 58380), (11676, 56220), (12510, 52472), (13118, 50040), (14055, 46704), (14595, 44976), (14992, 43785), (15568, 42165), (16680, 39354), (16866, 38920), (17514, 37480), (18740, 35028), (19460, 33732), (19677, 33360), (20016, 32795), (22488, 29190), (23352, 28110), (25020, 26236)]