19773120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:542

約数の個数: 112

約数和(自身を含む): 64373760

約数和(自身を除く): 44600640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 160, 172, 192, 215, 240, 258, 320, 344, 430, 479, 480, 516, 645, 688, 860, 958, 960, 1032, 1290, 1376, 1437, 1720, 1916, 2064, 2395, 2580, 2752, 2874, 3440, 3832, 4128, 4790, 5160, 5748, 6880, 7185, 7664, 8256, 9580, 10320, 11496, 13760, 14370, 15328, 19160, 20597, 20640, 22992, 28740, 30656, 38320, 41194, 41280, 45984, 57480, 61791, 76640, 82388, 91968, 102985, 114960, 123582, 153280, 164776, 205970, 229920, 247164, 308955, 329552, 411940, 459840, 494328, 617910, 659104, 823880, 988656, 1235820, 1318208, 1647760, 1977312, 2471640, 3295520, 3954624, 4943280, 6591040, 9886560, 19773120]

約数ペア:

[(1, 19773120), (2, 9886560), (3, 6591040), (4, 4943280), (5, 3954624), (6, 3295520), (8, 2471640), (10, 1977312), (12, 1647760), (15, 1318208), (16, 1235820), (20, 988656), (24, 823880), (30, 659104), (32, 617910), (40, 494328), (43, 459840), (48, 411940), (60, 329552), (64, 308955), (80, 247164), (86, 229920), (96, 205970), (120, 164776), (129, 153280), (160, 123582), (172, 114960), (192, 102985), (215, 91968), (240, 82388), (258, 76640), (320, 61791), (344, 57480), (430, 45984), (479, 41280), (480, 41194), (516, 38320), (645, 30656), (688, 28740), (860, 22992), (958, 20640), (960, 20597), (1032, 19160), (1290, 15328), (1376, 14370), (1437, 13760), (1720, 11496), (1916, 10320), (2064, 9580), (2395, 8256), (2580, 7664), (2752, 7185), (2874, 6880), (3440, 5748), (3832, 5160), (4128, 4790)]