30997120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 256

約数和(自身を含む): 100465920

約数和(自身を除く): 69468800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 37, 40, 44, 55, 56, 64, 68, 70, 74, 77, 80, 85, 88, 110, 112, 119, 128, 136, 140, 148, 154, 160, 170, 176, 185, 187, 220, 224, 238, 259, 272, 280, 296, 308, 320, 340, 352, 370, 374, 385, 407, 440, 448, 476, 518, 544, 560, 592, 595, 616, 629, 640, 680, 704, 740, 748, 770, 814, 880, 896, 935, 952, 1036, 1088, 1120, 1184, 1190, 1232, 1258, 1295, 1309, 1360, 1408, 1480, 1496, 1540, 1628, 1760, 1870, 1904, 2035, 2072, 2176, 2240, 2368, 2380, 2464, 2516, 2590, 2618, 2720, 2849, 2960, 2992, 3080, 3145, 3256, 3520, 3740, 3808, 4070, 4144, 4403, 4480, 4736, 4760, 4928, 5032, 5180, 5236, 5440, 5698, 5920, 5984, 6160, 6290, 6512, 6545, 6919, 7040, 7480, 7616, 8140, 8288, 8806, 9520, 9856, 10064, 10360, 10472, 10880, 11396, 11840, 11968, 12320, 12580, 13024, 13090, 13838, 14245, 14960, 15232, 16280, 16576, 17612, 19040, 20128, 20720, 20944, 22015, 22792, 23680, 23936, 24640, 25160, 26048, 26180, 27676, 28490, 29920, 32560, 33152, 34595, 35224, 38080, 40256, 41440, 41888, 44030, 45584, 48433, 49280, 50320, 52096, 52360, 55352, 56980, 59840, 65120, 69190, 70448, 76160, 80512, 82880, 83776, 88060, 91168, 96866, 100640, 104720, 110704, 113960, 119680, 130240, 138380, 140896, 165760, 167552, 176120, 182336, 193732, 201280, 209440, 221408, 227920, 242165, 260480, 276760, 281792, 352240, 364672, 387464, 402560, 418880, 442816, 455840, 484330, 553520, 563584, 704480, 774928, 837760, 885632, 911680, 968660, 1107040, 1408960, 1549856, 1823360, 1937320, 2214080, 2817920, 3099712, 3874640, 4428160, 6199424, 7749280, 15498560, 30997120]

約数ペア:

[(1, 30997120), (2, 15498560), (4, 7749280), (5, 6199424), (7, 4428160), (8, 3874640), (10, 3099712), (11, 2817920), (14, 2214080), (16, 1937320), (17, 1823360), (20, 1549856), (22, 1408960), (28, 1107040), (32, 968660), (34, 911680), (35, 885632), (37, 837760), (40, 774928), (44, 704480), (55, 563584), (56, 553520), (64, 484330), (68, 455840), (70, 442816), (74, 418880), (77, 402560), (80, 387464), (85, 364672), (88, 352240), (110, 281792), (112, 276760), (119, 260480), (128, 242165), (136, 227920), (140, 221408), (148, 209440), (154, 201280), (160, 193732), (170, 182336), (176, 176120), (185, 167552), (187, 165760), (220, 140896), (224, 138380), (238, 130240), (259, 119680), (272, 113960), (280, 110704), (296, 104720), (308, 100640), (320, 96866), (340, 91168), (352, 88060), (370, 83776), (374, 82880), (385, 80512), (407, 76160), (440, 70448), (448, 69190), (476, 65120), (518, 59840), (544, 56980), (560, 55352), (592, 52360), (595, 52096), (616, 50320), (629, 49280), (640, 48433), (680, 45584), (704, 44030), (740, 41888), (748, 41440), (770, 40256), (814, 38080), (880, 35224), (896, 34595), (935, 33152), (952, 32560), (1036, 29920), (1088, 28490), (1120, 27676), (1184, 26180), (1190, 26048), (1232, 25160), (1258, 24640), (1295, 23936), (1309, 23680), (1360, 22792), (1408, 22015), (1480, 20944), (1496, 20720), (1540, 20128), (1628, 19040), (1760, 17612), (1870, 16576), (1904, 16280), (2035, 15232), (2072, 14960), (2176, 14245), (2240, 13838), (2368, 13090), (2380, 13024), (2464, 12580), (2516, 12320), (2590, 11968), (2618, 11840), (2720, 11396), (2849, 10880), (2960, 10472), (2992, 10360), (3080, 10064), (3145, 9856), (3256, 9520), (3520, 8806), (3740, 8288), (3808, 8140), (4070, 7616), (4144, 7480), (4403, 7040), (4480, 6919), (4736, 6545), (4760, 6512), (4928, 6290), (5032, 6160), (5180, 5984), (5236, 5920), (5440, 5698)]