1294639920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{256873}}^1$

素因数の和:256899

約数の個数: 120

約数和(自身を含む): 4968970656

約数和(自身を除く): 3674330736

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, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 256873, 513746, 770619, 1027492, 1284365, 1541238, 1798111, 2054984, 2311857, 2568730, 3082476, 3596222, 3853095, 4109968, 4623714, 5137460, 5394333, 6164952, 7192444, 7706190, 8990555, 9247428, 10274920, 10788666, 11559285, 12329904, 14384888, 15412380, 16182999, 17981110, 18494856, 20549840, 21577332, 23118570, 26971665, 28769776, 30824760, 32365998, 35962220, 36989712, 43154664, 46237140, 53943330, 61649520, 64731996, 71924440, 80914995, 86309328, 92474280, 107886660, 129463992, 143848880, 161829990, 184948560, 215773320, 258927984, 323659980, 431546640, 647319960, 1294639920]

約数ペア:

[(1, 1294639920), (2, 647319960), (3, 431546640), (4, 323659980), (5, 258927984), (6, 215773320), (7, 184948560), (8, 161829990), (9, 143848880), (10, 129463992), (12, 107886660), (14, 92474280), (15, 86309328), (16, 80914995), (18, 71924440), (20, 64731996), (21, 61649520), (24, 53943330), (28, 46237140), (30, 43154664), (35, 36989712), (36, 35962220), (40, 32365998), (42, 30824760), (45, 28769776), (48, 26971665), (56, 23118570), (60, 21577332), (63, 20549840), (70, 18494856), (72, 17981110), (80, 16182999), (84, 15412380), (90, 14384888), (105, 12329904), (112, 11559285), (120, 10788666), (126, 10274920), (140, 9247428), (144, 8990555), (168, 7706190), (180, 7192444), (210, 6164952), (240, 5394333), (252, 5137460), (280, 4623714), (315, 4109968), (336, 3853095), (360, 3596222), (420, 3082476), (504, 2568730), (560, 2311857), (630, 2054984), (720, 1798111), (840, 1541238), (1008, 1284365), (1260, 1027492), (1680, 770619), (2520, 513746), (5040, 256873)]