205057260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 650089440

約数和(自身を除く): 445032180

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, 241, 261, 290, 326, 348, 435, 482, 489, 522, 580, 652, 723, 815, 870, 964, 978, 1044, 1205, 1305, 1446, 1467, 1630, 1740, 1956, 2169, 2410, 2445, 2610, 2892, 2934, 3260, 3615, 4338, 4727, 4820, 4890, 5220, 5868, 6989, 7230, 7335, 8676, 9454, 9780, 10845, 13978, 14181, 14460, 14670, 18908, 20967, 21690, 23635, 27956, 28362, 29340, 34945, 39283, 41934, 42543, 43380, 47270, 56724, 62901, 69890, 70905, 78566, 83868, 85086, 94540, 104835, 117849, 125802, 139780, 141810, 157132, 170172, 196415, 209670, 212715, 235698, 251604, 283620, 314505, 353547, 392830, 419340, 425430, 471396, 589245, 629010, 707094, 785660, 850860, 1139207, 1178490, 1258020, 1414188, 1767735, 2278414, 2356980, 3417621, 3535470, 4556828, 5696035, 6835242, 7070940, 10252863, 11392070, 13670484, 17088105, 20505726, 22784140, 34176210, 41011452, 51264315, 68352420, 102528630, 205057260]

約数ペア:

[(1, 205057260), (2, 102528630), (3, 68352420), (4, 51264315), (5, 41011452), (6, 34176210), (9, 22784140), (10, 20505726), (12, 17088105), (15, 13670484), (18, 11392070), (20, 10252863), (29, 7070940), (30, 6835242), (36, 5696035), (45, 4556828), (58, 3535470), (60, 3417621), (87, 2356980), (90, 2278414), (116, 1767735), (145, 1414188), (163, 1258020), (174, 1178490), (180, 1139207), (241, 850860), (261, 785660), (290, 707094), (326, 629010), (348, 589245), (435, 471396), (482, 425430), (489, 419340), (522, 392830), (580, 353547), (652, 314505), (723, 283620), (815, 251604), (870, 235698), (964, 212715), (978, 209670), (1044, 196415), (1205, 170172), (1305, 157132), (1446, 141810), (1467, 139780), (1630, 125802), (1740, 117849), (1956, 104835), (2169, 94540), (2410, 85086), (2445, 83868), (2610, 78566), (2892, 70905), (2934, 69890), (3260, 62901), (3615, 56724), (4338, 47270), (4727, 43380), (4820, 42543), (4890, 41934), (5220, 39283), (5868, 34945), (6989, 29340), (7230, 28362), (7335, 27956), (8676, 23635), (9454, 21690), (9780, 20967), (10845, 18908), (13978, 14670), (14181, 14460)]