620640720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{123143}}^1$

素因数の和:123169

約数の個数: 120

約数和(自身を含む): 2382097536

約数和(自身を除く): 1761456816

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, 123143, 246286, 369429, 492572, 615715, 738858, 862001, 985144, 1108287, 1231430, 1477716, 1724002, 1847145, 1970288, 2216574, 2462860, 2586003, 2955432, 3448004, 3694290, 4310005, 4433148, 4925720, 5172006, 5541435, 5910864, 6896008, 7388580, 7758009, 8620010, 8866296, 9851440, 10344012, 11082870, 12930015, 13792016, 14777160, 15516018, 17240020, 17732592, 20688024, 22165740, 25860030, 29554320, 31032036, 34480040, 38790045, 41376048, 44331480, 51720060, 62064072, 68960080, 77580090, 88662960, 103440120, 124128144, 155160180, 206880240, 310320360, 620640720]

約数ペア:

[(1, 620640720), (2, 310320360), (3, 206880240), (4, 155160180), (5, 124128144), (6, 103440120), (7, 88662960), (8, 77580090), (9, 68960080), (10, 62064072), (12, 51720060), (14, 44331480), (15, 41376048), (16, 38790045), (18, 34480040), (20, 31032036), (21, 29554320), (24, 25860030), (28, 22165740), (30, 20688024), (35, 17732592), (36, 17240020), (40, 15516018), (42, 14777160), (45, 13792016), (48, 12930015), (56, 11082870), (60, 10344012), (63, 9851440), (70, 8866296), (72, 8620010), (80, 7758009), (84, 7388580), (90, 6896008), (105, 5910864), (112, 5541435), (120, 5172006), (126, 4925720), (140, 4433148), (144, 4310005), (168, 3694290), (180, 3448004), (210, 2955432), (240, 2586003), (252, 2462860), (280, 2216574), (315, 1970288), (336, 1847145), (360, 1724002), (420, 1477716), (504, 1231430), (560, 1108287), (630, 985144), (720, 862001), (840, 738858), (1008, 615715), (1260, 492572), (1680, 369429), (2520, 246286), (5040, 123143)]