12381984

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 120

約数和(自身を含む): 38694348

約数和(自身を除く): 26312364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 204, 216, 272, 281, 288, 306, 324, 408, 432, 459, 544, 562, 612, 648, 816, 843, 864, 918, 1124, 1224, 1296, 1377, 1632, 1686, 1836, 2248, 2448, 2529, 2592, 2754, 3372, 3672, 4496, 4777, 4896, 5058, 5508, 6744, 7344, 7587, 8992, 9554, 10116, 11016, 13488, 14331, 14688, 15174, 19108, 20232, 22032, 22761, 26976, 28662, 30348, 38216, 40464, 42993, 44064, 45522, 57324, 60696, 76432, 80928, 85986, 91044, 114648, 121392, 128979, 152864, 171972, 182088, 229296, 242784, 257958, 343944, 364176, 386937, 458592, 515916, 687888, 728352, 773874, 1031832, 1375776, 1547748, 2063664, 3095496, 4127328, 6190992, 12381984]

約数ペア:

[(1, 12381984), (2, 6190992), (3, 4127328), (4, 3095496), (6, 2063664), (8, 1547748), (9, 1375776), (12, 1031832), (16, 773874), (17, 728352), (18, 687888), (24, 515916), (27, 458592), (32, 386937), (34, 364176), (36, 343944), (48, 257958), (51, 242784), (54, 229296), (68, 182088), (72, 171972), (81, 152864), (96, 128979), (102, 121392), (108, 114648), (136, 91044), (144, 85986), (153, 80928), (162, 76432), (204, 60696), (216, 57324), (272, 45522), (281, 44064), (288, 42993), (306, 40464), (324, 38216), (408, 30348), (432, 28662), (459, 26976), (544, 22761), (562, 22032), (612, 20232), (648, 19108), (816, 15174), (843, 14688), (864, 14331), (918, 13488), (1124, 11016), (1224, 10116), (1296, 9554), (1377, 8992), (1632, 7587), (1686, 7344), (1836, 6744), (2248, 5508), (2448, 5058), (2529, 4896), (2592, 4777), (2754, 4496), (3372, 3672)]