18520560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:935

約数の個数: 120

約数和(自身を含む): 64415520

約数和(自身を除く): 45894960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 887, 1044, 1160, 1305, 1392, 1740, 1774, 2088, 2320, 2610, 2661, 3480, 3548, 4176, 4435, 5220, 5322, 6960, 7096, 7983, 8870, 10440, 10644, 13305, 14192, 15966, 17740, 20880, 21288, 25723, 26610, 31932, 35480, 39915, 42576, 51446, 53220, 63864, 70960, 77169, 79830, 102892, 106440, 127728, 128615, 154338, 159660, 205784, 212880, 231507, 257230, 308676, 319320, 385845, 411568, 463014, 514460, 617352, 638640, 771690, 926028, 1028920, 1157535, 1234704, 1543380, 1852056, 2057840, 2315070, 3086760, 3704112, 4630140, 6173520, 9260280, 18520560]

約数ペア:

[(1, 18520560), (2, 9260280), (3, 6173520), (4, 4630140), (5, 3704112), (6, 3086760), (8, 2315070), (9, 2057840), (10, 1852056), (12, 1543380), (15, 1234704), (16, 1157535), (18, 1028920), (20, 926028), (24, 771690), (29, 638640), (30, 617352), (36, 514460), (40, 463014), (45, 411568), (48, 385845), (58, 319320), (60, 308676), (72, 257230), (80, 231507), (87, 212880), (90, 205784), (116, 159660), (120, 154338), (144, 128615), (145, 127728), (174, 106440), (180, 102892), (232, 79830), (240, 77169), (261, 70960), (290, 63864), (348, 53220), (360, 51446), (435, 42576), (464, 39915), (522, 35480), (580, 31932), (696, 26610), (720, 25723), (870, 21288), (887, 20880), (1044, 17740), (1160, 15966), (1305, 14192), (1392, 13305), (1740, 10644), (1774, 10440), (2088, 8870), (2320, 7983), (2610, 7096), (2661, 6960), (3480, 5322), (3548, 5220), (4176, 4435)]