391256520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25673}}^1$

素因数の和:25814

約数の個数: 64

約数和(自身を含む): 1183057920

約数和(自身を除く): 791801400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2540, 3048, 3810, 5080, 7620, 15240, 25673, 51346, 77019, 102692, 128365, 154038, 205384, 256730, 308076, 385095, 513460, 616152, 770190, 1026920, 1540380, 3080760, 3260471, 6520942, 9781413, 13041884, 16302355, 19562826, 26083768, 32604710, 39125652, 48907065, 65209420, 78251304, 97814130, 130418840, 195628260, 391256520]

約数ペア:

[(1, 391256520), (2, 195628260), (3, 130418840), (4, 97814130), (5, 78251304), (6, 65209420), (8, 48907065), (10, 39125652), (12, 32604710), (15, 26083768), (20, 19562826), (24, 16302355), (30, 13041884), (40, 9781413), (60, 6520942), (120, 3260471), (127, 3080760), (254, 1540380), (381, 1026920), (508, 770190), (635, 616152), (762, 513460), (1016, 385095), (1270, 308076), (1524, 256730), (1905, 205384), (2540, 154038), (3048, 128365), (3810, 102692), (5080, 77019), (7620, 51346), (15240, 25673)]