262112640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:880

約数の個数: 128

約数和(自身を含む): 840741120

約数和(自身を除く): 578628480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 211, 240, 320, 384, 422, 480, 633, 640, 647, 844, 960, 1055, 1266, 1294, 1688, 1920, 1941, 2110, 2532, 2588, 3165, 3235, 3376, 3882, 4220, 5064, 5176, 6330, 6470, 6752, 7764, 8440, 9705, 10128, 10352, 12660, 12940, 13504, 15528, 16880, 19410, 20256, 20704, 25320, 25880, 27008, 31056, 33760, 38820, 40512, 41408, 50640, 51760, 62112, 67520, 77640, 81024, 82816, 101280, 103520, 124224, 135040, 136517, 155280, 202560, 207040, 248448, 273034, 310560, 405120, 409551, 414080, 546068, 621120, 682585, 819102, 1092136, 1242240, 1365170, 1638204, 2047755, 2184272, 2730340, 3276408, 4095510, 4368544, 5460680, 6552816, 8191020, 8737088, 10921360, 13105632, 16382040, 17474176, 21842720, 26211264, 32764080, 43685440, 52422528, 65528160, 87370880, 131056320, 262112640]

約数ペア:

[(1, 262112640), (2, 131056320), (3, 87370880), (4, 65528160), (5, 52422528), (6, 43685440), (8, 32764080), (10, 26211264), (12, 21842720), (15, 17474176), (16, 16382040), (20, 13105632), (24, 10921360), (30, 8737088), (32, 8191020), (40, 6552816), (48, 5460680), (60, 4368544), (64, 4095510), (80, 3276408), (96, 2730340), (120, 2184272), (128, 2047755), (160, 1638204), (192, 1365170), (211, 1242240), (240, 1092136), (320, 819102), (384, 682585), (422, 621120), (480, 546068), (633, 414080), (640, 409551), (647, 405120), (844, 310560), (960, 273034), (1055, 248448), (1266, 207040), (1294, 202560), (1688, 155280), (1920, 136517), (1941, 135040), (2110, 124224), (2532, 103520), (2588, 101280), (3165, 82816), (3235, 81024), (3376, 77640), (3882, 67520), (4220, 62112), (5064, 51760), (5176, 50640), (6330, 41408), (6470, 40512), (6752, 38820), (7764, 33760), (8440, 31056), (9705, 27008), (10128, 25880), (10352, 25320), (12660, 20704), (12940, 20256), (13504, 19410), (15528, 16880)]