144420640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 216

約数和(自身を含む): 433720980

約数和(自身を除く): 289300340

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 109, 112, 130, 140, 160, 169, 182, 196, 208, 218, 224, 245, 260, 280, 338, 364, 392, 416, 436, 455, 490, 520, 545, 560, 637, 676, 728, 763, 784, 845, 872, 910, 980, 1040, 1090, 1120, 1183, 1274, 1352, 1417, 1456, 1526, 1568, 1690, 1744, 1820, 1960, 2080, 2180, 2366, 2548, 2704, 2834, 2912, 3052, 3185, 3380, 3488, 3640, 3815, 3920, 4360, 4732, 5096, 5341, 5408, 5668, 5915, 6104, 6370, 6760, 7085, 7280, 7630, 7840, 8281, 8720, 9464, 9919, 10192, 10682, 11336, 11830, 12208, 12740, 13520, 14170, 14560, 15260, 16562, 17440, 18421, 18928, 19838, 20384, 21364, 22672, 23660, 24416, 25480, 26705, 27040, 28340, 30520, 33124, 36842, 37856, 39676, 41405, 42728, 45344, 47320, 49595, 50960, 53410, 56680, 61040, 66248, 69433, 73684, 79352, 82810, 85456, 92105, 94640, 99190, 101920, 106820, 113360, 122080, 128947, 132496, 138866, 147368, 158704, 165620, 170912, 184210, 189280, 198380, 213640, 226720, 257894, 264992, 277732, 294736, 317408, 331240, 347165, 368420, 396760, 427280, 515788, 555464, 589472, 644735, 662480, 694330, 736840, 793520, 854560, 902629, 1031576, 1110928, 1289470, 1324960, 1388660, 1473680, 1587040, 1805258, 2063152, 2221856, 2578940, 2777320, 2947360, 3610516, 4126304, 4513145, 5157880, 5554640, 7221032, 9026290, 10315760, 11109280, 14442064, 18052580, 20631520, 28884128, 36105160, 72210320, 144420640]

約数ペア:

[(1, 144420640), (2, 72210320), (4, 36105160), (5, 28884128), (7, 20631520), (8, 18052580), (10, 14442064), (13, 11109280), (14, 10315760), (16, 9026290), (20, 7221032), (26, 5554640), (28, 5157880), (32, 4513145), (35, 4126304), (40, 3610516), (49, 2947360), (52, 2777320), (56, 2578940), (65, 2221856), (70, 2063152), (80, 1805258), (91, 1587040), (98, 1473680), (104, 1388660), (109, 1324960), (112, 1289470), (130, 1110928), (140, 1031576), (160, 902629), (169, 854560), (182, 793520), (196, 736840), (208, 694330), (218, 662480), (224, 644735), (245, 589472), (260, 555464), (280, 515788), (338, 427280), (364, 396760), (392, 368420), (416, 347165), (436, 331240), (455, 317408), (490, 294736), (520, 277732), (545, 264992), (560, 257894), (637, 226720), (676, 213640), (728, 198380), (763, 189280), (784, 184210), (845, 170912), (872, 165620), (910, 158704), (980, 147368), (1040, 138866), (1090, 132496), (1120, 128947), (1183, 122080), (1274, 113360), (1352, 106820), (1417, 101920), (1456, 99190), (1526, 94640), (1568, 92105), (1690, 85456), (1744, 82810), (1820, 79352), (1960, 73684), (2080, 69433), (2180, 66248), (2366, 61040), (2548, 56680), (2704, 53410), (2834, 50960), (2912, 49595), (3052, 47320), (3185, 45344), (3380, 42728), (3488, 41405), (3640, 39676), (3815, 37856), (3920, 36842), (4360, 33124), (4732, 30520), (5096, 28340), (5341, 27040), (5408, 26705), (5668, 25480), (5915, 24416), (6104, 23660), (6370, 22672), (6760, 21364), (7085, 20384), (7280, 19838), (7630, 18928), (7840, 18421), (8281, 17440), (8720, 16562), (9464, 15260), (9919, 14560), (10192, 14170), (10682, 13520), (11336, 12740), (11830, 12208)]