405440160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 144

約数和(自身を含む): 1304136288

約数和(自身を除く): 898696128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 227, 240, 244, 305, 366, 454, 480, 488, 610, 681, 732, 908, 915, 976, 1135, 1220, 1362, 1464, 1816, 1830, 1952, 2270, 2440, 2724, 2928, 3405, 3632, 3660, 3721, 4540, 4880, 5448, 5856, 6810, 7264, 7320, 7442, 9080, 9760, 10896, 11163, 13620, 13847, 14640, 14884, 18160, 18605, 21792, 22326, 27240, 27694, 29280, 29768, 36320, 37210, 41541, 44652, 54480, 55388, 55815, 59536, 69235, 74420, 83082, 89304, 108960, 110776, 111630, 119072, 138470, 148840, 166164, 178608, 207705, 221552, 223260, 276940, 297680, 332328, 357216, 415410, 443104, 446520, 553880, 595360, 664656, 830820, 844667, 893040, 1107760, 1329312, 1661640, 1689334, 1786080, 2215520, 2534001, 3323280, 3378668, 4223335, 5068002, 6646560, 6757336, 8446670, 10136004, 12670005, 13514672, 16893340, 20272008, 25340010, 27029344, 33786680, 40544016, 50680020, 67573360, 81088032, 101360040, 135146720, 202720080, 405440160]

約数ペア:

[(1, 405440160), (2, 202720080), (3, 135146720), (4, 101360040), (5, 81088032), (6, 67573360), (8, 50680020), (10, 40544016), (12, 33786680), (15, 27029344), (16, 25340010), (20, 20272008), (24, 16893340), (30, 13514672), (32, 12670005), (40, 10136004), (48, 8446670), (60, 6757336), (61, 6646560), (80, 5068002), (96, 4223335), (120, 3378668), (122, 3323280), (160, 2534001), (183, 2215520), (227, 1786080), (240, 1689334), (244, 1661640), (305, 1329312), (366, 1107760), (454, 893040), (480, 844667), (488, 830820), (610, 664656), (681, 595360), (732, 553880), (908, 446520), (915, 443104), (976, 415410), (1135, 357216), (1220, 332328), (1362, 297680), (1464, 276940), (1816, 223260), (1830, 221552), (1952, 207705), (2270, 178608), (2440, 166164), (2724, 148840), (2928, 138470), (3405, 119072), (3632, 111630), (3660, 110776), (3721, 108960), (4540, 89304), (4880, 83082), (5448, 74420), (5856, 69235), (6810, 59536), (7264, 55815), (7320, 55388), (7442, 54480), (9080, 44652), (9760, 41541), (10896, 37210), (11163, 36320), (13620, 29768), (13847, 29280), (14640, 27694), (14884, 27240), (18160, 22326), (18605, 21792)]