18239520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 64350720

約数和(自身を除く): 46111200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 37, 39, 40, 48, 52, 60, 65, 74, 78, 79, 80, 96, 104, 111, 120, 130, 148, 156, 158, 160, 185, 195, 208, 222, 237, 240, 260, 296, 312, 316, 370, 390, 395, 416, 444, 474, 480, 481, 520, 555, 592, 624, 632, 740, 780, 790, 888, 948, 962, 1027, 1040, 1110, 1184, 1185, 1248, 1264, 1443, 1480, 1560, 1580, 1776, 1896, 1924, 2054, 2080, 2220, 2370, 2405, 2528, 2886, 2923, 2960, 3081, 3120, 3160, 3552, 3792, 3848, 4108, 4440, 4740, 4810, 5135, 5772, 5846, 5920, 6162, 6240, 6320, 7215, 7584, 7696, 8216, 8769, 8880, 9480, 9620, 10270, 11544, 11692, 12324, 12640, 14430, 14615, 15392, 15405, 16432, 17538, 17760, 18960, 19240, 20540, 23088, 23384, 24648, 28860, 29230, 30810, 32864, 35076, 37920, 37999, 38480, 41080, 43845, 46176, 46768, 49296, 57720, 58460, 61620, 70152, 75998, 76960, 82160, 87690, 93536, 98592, 113997, 115440, 116920, 123240, 140304, 151996, 164320, 175380, 189995, 227994, 230880, 233840, 246480, 280608, 303992, 350760, 379990, 455988, 467680, 492960, 569985, 607984, 701520, 759980, 911976, 1139970, 1215968, 1403040, 1519960, 1823952, 2279940, 3039920, 3647904, 4559880, 6079840, 9119760, 18239520]

約数ペア:

[(1, 18239520), (2, 9119760), (3, 6079840), (4, 4559880), (5, 3647904), (6, 3039920), (8, 2279940), (10, 1823952), (12, 1519960), (13, 1403040), (15, 1215968), (16, 1139970), (20, 911976), (24, 759980), (26, 701520), (30, 607984), (32, 569985), (37, 492960), (39, 467680), (40, 455988), (48, 379990), (52, 350760), (60, 303992), (65, 280608), (74, 246480), (78, 233840), (79, 230880), (80, 227994), (96, 189995), (104, 175380), (111, 164320), (120, 151996), (130, 140304), (148, 123240), (156, 116920), (158, 115440), (160, 113997), (185, 98592), (195, 93536), (208, 87690), (222, 82160), (237, 76960), (240, 75998), (260, 70152), (296, 61620), (312, 58460), (316, 57720), (370, 49296), (390, 46768), (395, 46176), (416, 43845), (444, 41080), (474, 38480), (480, 37999), (481, 37920), (520, 35076), (555, 32864), (592, 30810), (624, 29230), (632, 28860), (740, 24648), (780, 23384), (790, 23088), (888, 20540), (948, 19240), (962, 18960), (1027, 17760), (1040, 17538), (1110, 16432), (1184, 15405), (1185, 15392), (1248, 14615), (1264, 14430), (1443, 12640), (1480, 12324), (1560, 11692), (1580, 11544), (1776, 10270), (1896, 9620), (1924, 9480), (2054, 8880), (2080, 8769), (2220, 8216), (2370, 7696), (2405, 7584), (2528, 7215), (2886, 6320), (2923, 6240), (2960, 6162), (3081, 5920), (3120, 5846), (3160, 5772), (3552, 5135), (3792, 4810), (3848, 4740), (4108, 4440)]