1391445440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:563

約数の個数: 224

約数和(自身を含む): 4169664000

約数和(自身を除く): 2778218560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 149, 154, 160, 176, 220, 224, 280, 298, 308, 320, 352, 379, 385, 440, 448, 560, 596, 616, 704, 745, 758, 770, 880, 1043, 1120, 1192, 1232, 1490, 1516, 1540, 1639, 1760, 1895, 2086, 2240, 2384, 2464, 2653, 2980, 3032, 3080, 3278, 3520, 3790, 4169, 4172, 4768, 4928, 5215, 5306, 5960, 6064, 6160, 6556, 7580, 8195, 8338, 8344, 9536, 10430, 10612, 11473, 11920, 12128, 12320, 13112, 13265, 15160, 16390, 16676, 16688, 20845, 20860, 21224, 22946, 23840, 24256, 24640, 26224, 26530, 29183, 30320, 32780, 33352, 33376, 41690, 41720, 42448, 45892, 47680, 52448, 53060, 56471, 57365, 58366, 60640, 65560, 66704, 66752, 83380, 83440, 84896, 91784, 104896, 106120, 112942, 114730, 116732, 121280, 131120, 133408, 145915, 166760, 166880, 169792, 183568, 212240, 225884, 229460, 233464, 262240, 266816, 282355, 291830, 333520, 333760, 367136, 395297, 424480, 451768, 458920, 466928, 524480, 564710, 583660, 621181, 667040, 734272, 790594, 848960, 903536, 917840, 933856, 1129420, 1167320, 1242362, 1334080, 1581188, 1807072, 1835680, 1867712, 1976485, 2258840, 2334640, 2484724, 3105905, 3162376, 3614144, 3671360, 3952970, 4348267, 4517680, 4669280, 4969448, 6211810, 6324752, 7905940, 8696534, 9035360, 9338560, 9938896, 12423620, 12649504, 15811880, 17393068, 18070720, 19877792, 21741335, 24847240, 25299008, 31623760, 34786136, 39755584, 43482670, 49694480, 63247520, 69572272, 86965340, 99388960, 126495040, 139144544, 173930680, 198777920, 278289088, 347861360, 695722720, 1391445440]

約数ペア:

[(1, 1391445440), (2, 695722720), (4, 347861360), (5, 278289088), (7, 198777920), (8, 173930680), (10, 139144544), (11, 126495040), (14, 99388960), (16, 86965340), (20, 69572272), (22, 63247520), (28, 49694480), (32, 43482670), (35, 39755584), (40, 34786136), (44, 31623760), (55, 25299008), (56, 24847240), (64, 21741335), (70, 19877792), (77, 18070720), (80, 17393068), (88, 15811880), (110, 12649504), (112, 12423620), (140, 9938896), (149, 9338560), (154, 9035360), (160, 8696534), (176, 7905940), (220, 6324752), (224, 6211810), (280, 4969448), (298, 4669280), (308, 4517680), (320, 4348267), (352, 3952970), (379, 3671360), (385, 3614144), (440, 3162376), (448, 3105905), (560, 2484724), (596, 2334640), (616, 2258840), (704, 1976485), (745, 1867712), (758, 1835680), (770, 1807072), (880, 1581188), (1043, 1334080), (1120, 1242362), (1192, 1167320), (1232, 1129420), (1490, 933856), (1516, 917840), (1540, 903536), (1639, 848960), (1760, 790594), (1895, 734272), (2086, 667040), (2240, 621181), (2384, 583660), (2464, 564710), (2653, 524480), (2980, 466928), (3032, 458920), (3080, 451768), (3278, 424480), (3520, 395297), (3790, 367136), (4169, 333760), (4172, 333520), (4768, 291830), (4928, 282355), (5215, 266816), (5306, 262240), (5960, 233464), (6064, 229460), (6160, 225884), (6556, 212240), (7580, 183568), (8195, 169792), (8338, 166880), (8344, 166760), (9536, 145915), (10430, 133408), (10612, 131120), (11473, 121280), (11920, 116732), (12128, 114730), (12320, 112942), (13112, 106120), (13265, 104896), (15160, 91784), (16390, 84896), (16676, 83440), (16688, 83380), (20845, 66752), (20860, 66704), (21224, 65560), (22946, 60640), (23840, 58366), (24256, 57365), (24640, 56471), (26224, 53060), (26530, 52448), (29183, 47680), (30320, 45892), (32780, 42448), (33352, 41720), (33376, 41690)]