80984520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1235

約数の個数: 96

約数和(自身を含む): 264625920

約数和(自身を除く): 183641400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 227, 360, 454, 681, 908, 991, 1135, 1362, 1816, 1982, 2043, 2270, 2724, 2973, 3405, 3964, 4086, 4540, 4955, 5448, 5946, 6810, 7928, 8172, 8919, 9080, 9910, 10215, 11892, 13620, 14865, 16344, 17838, 19820, 20430, 23784, 27240, 29730, 35676, 39640, 40860, 44595, 59460, 71352, 81720, 89190, 118920, 178380, 224957, 356760, 449914, 674871, 899828, 1124785, 1349742, 1799656, 2024613, 2249570, 2699484, 3374355, 4049226, 4499140, 5398968, 6748710, 8098452, 8998280, 10123065, 13497420, 16196904, 20246130, 26994840, 40492260, 80984520]

約数ペア:

[(1, 80984520), (2, 40492260), (3, 26994840), (4, 20246130), (5, 16196904), (6, 13497420), (8, 10123065), (9, 8998280), (10, 8098452), (12, 6748710), (15, 5398968), (18, 4499140), (20, 4049226), (24, 3374355), (30, 2699484), (36, 2249570), (40, 2024613), (45, 1799656), (60, 1349742), (72, 1124785), (90, 899828), (120, 674871), (180, 449914), (227, 356760), (360, 224957), (454, 178380), (681, 118920), (908, 89190), (991, 81720), (1135, 71352), (1362, 59460), (1816, 44595), (1982, 40860), (2043, 39640), (2270, 35676), (2724, 29730), (2973, 27240), (3405, 23784), (3964, 20430), (4086, 19820), (4540, 17838), (4955, 16344), (5448, 14865), (5946, 13620), (6810, 11892), (7928, 10215), (8172, 9910), (8919, 9080)]