218672640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{9491}}^1$

素因数の和:9520

約数の個数: 120

約数和(自身を含む): 757404648

約数和(自身を除く): 538732008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 9491, 11520, 18982, 23040, 28473, 37964, 47455, 56946, 75928, 85419, 94910, 113892, 142365, 151856, 170838, 189820, 227784, 284730, 303712, 341676, 379640, 427095, 455568, 569460, 607424, 683352, 759280, 854190, 911136, 1138920, 1214848, 1366704, 1518560, 1708380, 1822272, 2277840, 2429696, 2733408, 3037120, 3416760, 3644544, 4555680, 4859392, 5466816, 6074240, 6833520, 7289088, 9111360, 10933632, 12148480, 13667040, 14578176, 18222720, 21867264, 24296960, 27334080, 36445440, 43734528, 54668160, 72890880, 109336320, 218672640]

約数ペア:

[(1, 218672640), (2, 109336320), (3, 72890880), (4, 54668160), (5, 43734528), (6, 36445440), (8, 27334080), (9, 24296960), (10, 21867264), (12, 18222720), (15, 14578176), (16, 13667040), (18, 12148480), (20, 10933632), (24, 9111360), (30, 7289088), (32, 6833520), (36, 6074240), (40, 5466816), (45, 4859392), (48, 4555680), (60, 3644544), (64, 3416760), (72, 3037120), (80, 2733408), (90, 2429696), (96, 2277840), (120, 1822272), (128, 1708380), (144, 1518560), (160, 1366704), (180, 1214848), (192, 1138920), (240, 911136), (256, 854190), (288, 759280), (320, 683352), (360, 607424), (384, 569460), (480, 455568), (512, 427095), (576, 379640), (640, 341676), (720, 303712), (768, 284730), (960, 227784), (1152, 189820), (1280, 170838), (1440, 151856), (1536, 142365), (1920, 113892), (2304, 94910), (2560, 85419), (2880, 75928), (3840, 56946), (4608, 47455), (5760, 37964), (7680, 28473), (9491, 23040), (11520, 18982)]