128499840

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{3187}}^1$

素因数の和:3219

約数の個数: 192

約数和(自身を含む): 507274560

約数和(自身を除く): 378774720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3187, 3360, 4032, 4480, 5040, 5760, 6374, 6720, 8064, 9561, 10080, 12748, 13440, 15935, 19122, 20160, 22309, 25496, 28683, 31870, 38244, 40320, 44618, 47805, 50992, 57366, 63740, 66927, 76488, 89236, 95610, 101984, 111545, 114732, 127480, 133854, 143415, 152976, 178472, 191220, 200781, 203968, 223090, 229464, 254960, 267708, 286830, 305952, 334635, 356944, 382440, 401562, 407936, 446180, 458928, 509920, 535416, 573660, 611904, 669270, 713888, 764880, 803124, 892360, 917856, 1003905, 1019840, 1070832, 1147320, 1223808, 1338540, 1427776, 1529760, 1606248, 1784720, 1835712, 2007810, 2039680, 2141664, 2294640, 2677080, 2855552, 3059520, 3212496, 3569440, 3671424, 4015620, 4283328, 4589280, 5354160, 6119040, 6424992, 7138880, 8031240, 8566656, 9178560, 10708320, 12849984, 14277760, 16062480, 18357120, 21416640, 25699968, 32124960, 42833280, 64249920, 128499840]

約数ペア:

[(1, 128499840), (2, 64249920), (3, 42833280), (4, 32124960), (5, 25699968), (6, 21416640), (7, 18357120), (8, 16062480), (9, 14277760), (10, 12849984), (12, 10708320), (14, 9178560), (15, 8566656), (16, 8031240), (18, 7138880), (20, 6424992), (21, 6119040), (24, 5354160), (28, 4589280), (30, 4283328), (32, 4015620), (35, 3671424), (36, 3569440), (40, 3212496), (42, 3059520), (45, 2855552), (48, 2677080), (56, 2294640), (60, 2141664), (63, 2039680), (64, 2007810), (70, 1835712), (72, 1784720), (80, 1606248), (84, 1529760), (90, 1427776), (96, 1338540), (105, 1223808), (112, 1147320), (120, 1070832), (126, 1019840), (128, 1003905), (140, 917856), (144, 892360), (160, 803124), (168, 764880), (180, 713888), (192, 669270), (210, 611904), (224, 573660), (240, 535416), (252, 509920), (280, 458928), (288, 446180), (315, 407936), (320, 401562), (336, 382440), (360, 356944), (384, 334635), (420, 305952), (448, 286830), (480, 267708), (504, 254960), (560, 229464), (576, 223090), (630, 203968), (640, 200781), (672, 191220), (720, 178472), (840, 152976), (896, 143415), (960, 133854), (1008, 127480), (1120, 114732), (1152, 111545), (1260, 101984), (1344, 95610), (1440, 89236), (1680, 76488), (1920, 66927), (2016, 63740), (2240, 57366), (2520, 50992), (2688, 47805), (2880, 44618), (3187, 40320), (3360, 38244), (4032, 31870), (4480, 28683), (5040, 25496), (5760, 22309), (6374, 20160), (6720, 19122), (8064, 15935), (9561, 13440), (10080, 12748)]