128073216

素因数分解:

$2^9\times 3^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:639

約数の個数: 80

約数和(自身を含む): 343728000

約数和(自身を除く): 215654784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 199, 256, 384, 398, 419, 512, 597, 768, 796, 838, 1194, 1257, 1536, 1592, 1676, 2388, 2514, 3184, 3352, 4776, 5028, 6368, 6704, 9552, 10056, 12736, 13408, 19104, 20112, 25472, 26816, 38208, 40224, 50944, 53632, 76416, 80448, 83381, 101888, 107264, 152832, 160896, 166762, 214528, 250143, 305664, 321792, 333524, 500286, 643584, 667048, 1000572, 1334096, 2001144, 2668192, 4002288, 5336384, 8004576, 10672768, 16009152, 21345536, 32018304, 42691072, 64036608, 128073216]

約数ペア:

[(1, 128073216), (2, 64036608), (3, 42691072), (4, 32018304), (6, 21345536), (8, 16009152), (12, 10672768), (16, 8004576), (24, 5336384), (32, 4002288), (48, 2668192), (64, 2001144), (96, 1334096), (128, 1000572), (192, 667048), (199, 643584), (256, 500286), (384, 333524), (398, 321792), (419, 305664), (512, 250143), (597, 214528), (768, 166762), (796, 160896), (838, 152832), (1194, 107264), (1257, 101888), (1536, 83381), (1592, 80448), (1676, 76416), (2388, 53632), (2514, 50944), (3184, 40224), (3352, 38208), (4776, 26816), (5028, 25472), (6368, 20112), (6704, 19104), (9552, 13408), (10056, 12736)]