321436640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2633}}^1$

素因数の和:2764

約数の個数: 96

約数和(自身を含む): 876173760

約数和(自身を除く): 554737120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 280, 436, 545, 560, 763, 872, 1090, 1120, 1526, 1744, 2180, 2633, 3052, 3488, 3815, 4360, 5266, 6104, 7630, 8720, 10532, 12208, 13165, 15260, 17440, 18431, 21064, 24416, 26330, 30520, 36862, 42128, 52660, 61040, 73724, 84256, 92155, 105320, 122080, 147448, 184310, 210640, 286997, 294896, 368620, 421280, 573994, 589792, 737240, 1147988, 1434985, 1474480, 2008979, 2295976, 2869970, 2948960, 4017958, 4591952, 5739940, 8035916, 9183904, 10044895, 11479880, 16071832, 20089790, 22959760, 32143664, 40179580, 45919520, 64287328, 80359160, 160718320, 321436640]

約数ペア:

[(1, 321436640), (2, 160718320), (4, 80359160), (5, 64287328), (7, 45919520), (8, 40179580), (10, 32143664), (14, 22959760), (16, 20089790), (20, 16071832), (28, 11479880), (32, 10044895), (35, 9183904), (40, 8035916), (56, 5739940), (70, 4591952), (80, 4017958), (109, 2948960), (112, 2869970), (140, 2295976), (160, 2008979), (218, 1474480), (224, 1434985), (280, 1147988), (436, 737240), (545, 589792), (560, 573994), (763, 421280), (872, 368620), (1090, 294896), (1120, 286997), (1526, 210640), (1744, 184310), (2180, 147448), (2633, 122080), (3052, 105320), (3488, 92155), (3815, 84256), (4360, 73724), (5266, 61040), (6104, 52660), (7630, 42128), (8720, 36862), (10532, 30520), (12208, 26330), (13165, 24416), (15260, 21064), (17440, 18431)]