202291020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:861

約数の個数: 120

約数和(自身を含む): 638868384

約数和(自身を除く): 436577364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 193, 270, 324, 386, 405, 540, 579, 647, 772, 810, 965, 1158, 1294, 1620, 1737, 1930, 1941, 2316, 2588, 2895, 3235, 3474, 3860, 3882, 5211, 5790, 5823, 6470, 6948, 7764, 8685, 9705, 10422, 11580, 11646, 12940, 15633, 17370, 17469, 19410, 20844, 23292, 26055, 29115, 31266, 34740, 34938, 38820, 52110, 52407, 58230, 62532, 69876, 78165, 87345, 104220, 104814, 116460, 124871, 156330, 174690, 209628, 249742, 262035, 312660, 349380, 374613, 499484, 524070, 624355, 749226, 1048140, 1123839, 1248710, 1498452, 1873065, 2247678, 2497420, 3371517, 3746130, 4495356, 5619195, 6743034, 7492260, 10114551, 11238390, 13486068, 16857585, 20229102, 22476780, 33715170, 40458204, 50572755, 67430340, 101145510, 202291020]

約数ペア:

[(1, 202291020), (2, 101145510), (3, 67430340), (4, 50572755), (5, 40458204), (6, 33715170), (9, 22476780), (10, 20229102), (12, 16857585), (15, 13486068), (18, 11238390), (20, 10114551), (27, 7492260), (30, 6743034), (36, 5619195), (45, 4495356), (54, 3746130), (60, 3371517), (81, 2497420), (90, 2247678), (108, 1873065), (135, 1498452), (162, 1248710), (180, 1123839), (193, 1048140), (270, 749226), (324, 624355), (386, 524070), (405, 499484), (540, 374613), (579, 349380), (647, 312660), (772, 262035), (810, 249742), (965, 209628), (1158, 174690), (1294, 156330), (1620, 124871), (1737, 116460), (1930, 104814), (1941, 104220), (2316, 87345), (2588, 78165), (2895, 69876), (3235, 62532), (3474, 58230), (3860, 52407), (3882, 52110), (5211, 38820), (5790, 34938), (5823, 34740), (6470, 31266), (6948, 29115), (7764, 26055), (8685, 23292), (9705, 20844), (10422, 19410), (11580, 17469), (11646, 17370), (12940, 15633)]