1381211520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55337}}^1$

素因数の和:55372

約数の個数: 128

約数和(自身を含む): 4741359840

約数和(自身を除く): 3360148320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 55337, 110674, 166011, 221348, 276685, 332022, 442696, 553370, 664044, 719381, 830055, 885392, 1106740, 1328088, 1438762, 1660110, 1770784, 2158143, 2213480, 2656176, 2877524, 3320220, 3541568, 3596905, 4316286, 4426960, 5312352, 5755048, 6640440, 7083136, 7193810, 8632572, 8853920, 10624704, 10790715, 11510096, 13280880, 14387620, 17265144, 17707840, 21249408, 21581430, 23020192, 26561760, 28775240, 34530288, 35415680, 43162860, 46040384, 53123520, 57550480, 69060576, 86325720, 92080768, 106247040, 115100960, 138121152, 172651440, 230201920, 276242304, 345302880, 460403840, 690605760, 1381211520]

約数ペア:

[(1, 1381211520), (2, 690605760), (3, 460403840), (4, 345302880), (5, 276242304), (6, 230201920), (8, 172651440), (10, 138121152), (12, 115100960), (13, 106247040), (15, 92080768), (16, 86325720), (20, 69060576), (24, 57550480), (26, 53123520), (30, 46040384), (32, 43162860), (39, 35415680), (40, 34530288), (48, 28775240), (52, 26561760), (60, 23020192), (64, 21581430), (65, 21249408), (78, 17707840), (80, 17265144), (96, 14387620), (104, 13280880), (120, 11510096), (128, 10790715), (130, 10624704), (156, 8853920), (160, 8632572), (192, 7193810), (195, 7083136), (208, 6640440), (240, 5755048), (260, 5312352), (312, 4426960), (320, 4316286), (384, 3596905), (390, 3541568), (416, 3320220), (480, 2877524), (520, 2656176), (624, 2213480), (640, 2158143), (780, 1770784), (832, 1660110), (960, 1438762), (1040, 1328088), (1248, 1106740), (1560, 885392), (1664, 830055), (1920, 719381), (2080, 664044), (2496, 553370), (3120, 442696), (4160, 332022), (4992, 276685), (6240, 221348), (8320, 166011), (12480, 110674), (24960, 55337)]