18518760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1352

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 48009240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1319, 1404, 1560, 1755, 2340, 2638, 2808, 3510, 3957, 4680, 5276, 6595, 7020, 7914, 10552, 11871, 13190, 14040, 15828, 17147, 19785, 23742, 26380, 31656, 34294, 35613, 39570, 47484, 51441, 52760, 59355, 68588, 71226, 79140, 85735, 94968, 102882, 118710, 137176, 142452, 154323, 158280, 171470, 178065, 205764, 237420, 257205, 284904, 308646, 342940, 356130, 411528, 462969, 474840, 514410, 617292, 685880, 712260, 771615, 925938, 1028820, 1234584, 1424520, 1543230, 1851876, 2057640, 2314845, 3086460, 3703752, 4629690, 6172920, 9259380, 18518760]

約数ペア:

[(1, 18518760), (2, 9259380), (3, 6172920), (4, 4629690), (5, 3703752), (6, 3086460), (8, 2314845), (9, 2057640), (10, 1851876), (12, 1543230), (13, 1424520), (15, 1234584), (18, 1028820), (20, 925938), (24, 771615), (26, 712260), (27, 685880), (30, 617292), (36, 514410), (39, 474840), (40, 462969), (45, 411528), (52, 356130), (54, 342940), (60, 308646), (65, 284904), (72, 257205), (78, 237420), (90, 205764), (104, 178065), (108, 171470), (117, 158280), (120, 154323), (130, 142452), (135, 137176), (156, 118710), (180, 102882), (195, 94968), (216, 85735), (234, 79140), (260, 71226), (270, 68588), (312, 59355), (351, 52760), (360, 51441), (390, 47484), (468, 39570), (520, 35613), (540, 34294), (585, 31656), (702, 26380), (780, 23742), (936, 19785), (1080, 17147), (1170, 15828), (1319, 14040), (1404, 13190), (1560, 11871), (1755, 10552), (2340, 7914), (2638, 7020), (2808, 6595), (3510, 5276), (3957, 4680)]