27778140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1353

約数の個数: 120

約数和(自身を含む): 93915360

約数和(自身を除く): 66137220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1319, 1404, 1620, 1755, 2106, 2340, 2638, 3510, 3957, 4212, 5265, 5276, 6595, 7020, 7914, 10530, 11871, 13190, 15828, 17147, 19785, 21060, 23742, 26380, 34294, 35613, 39570, 47484, 51441, 59355, 68588, 71226, 79140, 85735, 102882, 106839, 118710, 142452, 154323, 171470, 178065, 205764, 213678, 237420, 257205, 308646, 342940, 356130, 427356, 462969, 514410, 534195, 617292, 712260, 771615, 925938, 1028820, 1068390, 1388907, 1543230, 1851876, 2136780, 2314845, 2777814, 3086460, 4629690, 5555628, 6944535, 9259380, 13889070, 27778140]

約数ペア:

[(1, 27778140), (2, 13889070), (3, 9259380), (4, 6944535), (5, 5555628), (6, 4629690), (9, 3086460), (10, 2777814), (12, 2314845), (13, 2136780), (15, 1851876), (18, 1543230), (20, 1388907), (26, 1068390), (27, 1028820), (30, 925938), (36, 771615), (39, 712260), (45, 617292), (52, 534195), (54, 514410), (60, 462969), (65, 427356), (78, 356130), (81, 342940), (90, 308646), (108, 257205), (117, 237420), (130, 213678), (135, 205764), (156, 178065), (162, 171470), (180, 154323), (195, 142452), (234, 118710), (260, 106839), (270, 102882), (324, 85735), (351, 79140), (390, 71226), (405, 68588), (468, 59355), (540, 51441), (585, 47484), (702, 39570), (780, 35613), (810, 34294), (1053, 26380), (1170, 23742), (1319, 21060), (1404, 19785), (1620, 17147), (1755, 15828), (2106, 13190), (2340, 11871), (2638, 10530), (3510, 7914), (3957, 7020), (4212, 6595), (5265, 5276)]