21778080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:846

約数の個数: 96

約数和(自身を含む): 69854400

約数和(自身を除く): 48076320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 80, 96, 118, 120, 160, 177, 236, 240, 295, 354, 472, 480, 590, 708, 769, 885, 944, 1180, 1416, 1538, 1770, 1888, 2307, 2360, 2832, 3076, 3540, 3845, 4614, 4720, 5664, 6152, 7080, 7690, 9228, 9440, 11535, 12304, 14160, 15380, 18456, 23070, 24608, 28320, 30760, 36912, 45371, 46140, 61520, 73824, 90742, 92280, 123040, 136113, 181484, 184560, 226855, 272226, 362968, 369120, 453710, 544452, 680565, 725936, 907420, 1088904, 1361130, 1451872, 1814840, 2177808, 2722260, 3629680, 4355616, 5444520, 7259360, 10889040, 21778080]

約数ペア:

[(1, 21778080), (2, 10889040), (3, 7259360), (4, 5444520), (5, 4355616), (6, 3629680), (8, 2722260), (10, 2177808), (12, 1814840), (15, 1451872), (16, 1361130), (20, 1088904), (24, 907420), (30, 725936), (32, 680565), (40, 544452), (48, 453710), (59, 369120), (60, 362968), (80, 272226), (96, 226855), (118, 184560), (120, 181484), (160, 136113), (177, 123040), (236, 92280), (240, 90742), (295, 73824), (354, 61520), (472, 46140), (480, 45371), (590, 36912), (708, 30760), (769, 28320), (885, 24608), (944, 23070), (1180, 18456), (1416, 15380), (1538, 14160), (1770, 12304), (1888, 11535), (2307, 9440), (2360, 9228), (2832, 7690), (3076, 7080), (3540, 6152), (3845, 5664), (4614, 4720)]