138690180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^2$

素因数の和:370

約数の個数: 108

約数和(自身を含む): 437886540

約数和(自身を除く): 299196360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 163, 174, 180, 261, 290, 326, 348, 435, 489, 522, 580, 652, 815, 870, 978, 1044, 1305, 1467, 1630, 1740, 1956, 2445, 2610, 2934, 3260, 4727, 4890, 5220, 5868, 7335, 9454, 9780, 14181, 14670, 18908, 23635, 26569, 28362, 29340, 42543, 47270, 53138, 56724, 70905, 79707, 85086, 94540, 106276, 132845, 141810, 159414, 170172, 212715, 239121, 265690, 283620, 318828, 398535, 425430, 478242, 531380, 770501, 797070, 850860, 956484, 1195605, 1541002, 1594140, 2311503, 2391210, 3082004, 3852505, 4623006, 4782420, 6934509, 7705010, 9246012, 11557515, 13869018, 15410020, 23115030, 27738036, 34672545, 46230060, 69345090, 138690180]

約数ペア:

[(1, 138690180), (2, 69345090), (3, 46230060), (4, 34672545), (5, 27738036), (6, 23115030), (9, 15410020), (10, 13869018), (12, 11557515), (15, 9246012), (18, 7705010), (20, 6934509), (29, 4782420), (30, 4623006), (36, 3852505), (45, 3082004), (58, 2391210), (60, 2311503), (87, 1594140), (90, 1541002), (116, 1195605), (145, 956484), (163, 850860), (174, 797070), (180, 770501), (261, 531380), (290, 478242), (326, 425430), (348, 398535), (435, 318828), (489, 283620), (522, 265690), (580, 239121), (652, 212715), (815, 170172), (870, 159414), (978, 141810), (1044, 132845), (1305, 106276), (1467, 94540), (1630, 85086), (1740, 79707), (1956, 70905), (2445, 56724), (2610, 53138), (2934, 47270), (3260, 42543), (4727, 29340), (4890, 28362), (5220, 26569), (5868, 23635), (7335, 18908), (9454, 14670), (9780, 14181)]