319703680

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 820471680

約数和(自身を除く): 500768000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 92, 115, 128, 148, 160, 184, 185, 230, 296, 320, 368, 370, 460, 587, 592, 640, 736, 740, 851, 920, 1174, 1184, 1472, 1480, 1702, 1840, 2348, 2368, 2935, 2944, 2960, 3404, 3680, 4255, 4696, 4736, 5870, 5920, 6808, 7360, 8510, 9392, 11740, 11840, 13501, 13616, 14720, 17020, 18784, 21719, 23480, 23680, 27002, 27232, 34040, 37568, 43438, 46960, 54004, 54464, 67505, 68080, 75136, 86876, 93920, 108008, 108595, 108928, 135010, 136160, 173752, 187840, 216016, 217190, 270020, 272320, 347504, 375680, 432032, 434380, 499537, 540040, 544640, 695008, 864064, 868760, 999074, 1080080, 1390016, 1728128, 1737520, 1998148, 2160160, 2497685, 2780032, 3475040, 3996296, 4320320, 4995370, 6950080, 7992592, 8640640, 9990740, 13900160, 15985184, 19981480, 31970368, 39962960, 63940736, 79925920, 159851840, 319703680]

約数ペア:

[(1, 319703680), (2, 159851840), (4, 79925920), (5, 63940736), (8, 39962960), (10, 31970368), (16, 19981480), (20, 15985184), (23, 13900160), (32, 9990740), (37, 8640640), (40, 7992592), (46, 6950080), (64, 4995370), (74, 4320320), (80, 3996296), (92, 3475040), (115, 2780032), (128, 2497685), (148, 2160160), (160, 1998148), (184, 1737520), (185, 1728128), (230, 1390016), (296, 1080080), (320, 999074), (368, 868760), (370, 864064), (460, 695008), (587, 544640), (592, 540040), (640, 499537), (736, 434380), (740, 432032), (851, 375680), (920, 347504), (1174, 272320), (1184, 270020), (1472, 217190), (1480, 216016), (1702, 187840), (1840, 173752), (2348, 136160), (2368, 135010), (2935, 108928), (2944, 108595), (2960, 108008), (3404, 93920), (3680, 86876), (4255, 75136), (4696, 68080), (4736, 67505), (5870, 54464), (5920, 54004), (6808, 46960), (7360, 43438), (8510, 37568), (9392, 34040), (11740, 27232), (11840, 27002), (13501, 23680), (13616, 23480), (14720, 21719), (17020, 18784)]