261609120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1307}}^1$

素因数の和:1467

約数の個数: 144

約数和(自身を含む): 899851680

約数和(自身を除く): 638242560

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, 72, 80, 90, 96, 120, 139, 144, 160, 180, 240, 278, 288, 360, 417, 480, 556, 695, 720, 834, 1112, 1251, 1307, 1390, 1440, 1668, 2085, 2224, 2502, 2614, 2780, 3336, 3921, 4170, 4448, 5004, 5228, 5560, 6255, 6535, 6672, 7842, 8340, 10008, 10456, 11120, 11763, 12510, 13070, 13344, 15684, 16680, 19605, 20016, 20912, 22240, 23526, 25020, 26140, 31368, 33360, 39210, 40032, 41824, 47052, 50040, 52280, 58815, 62736, 66720, 78420, 94104, 100080, 104560, 117630, 125472, 156840, 181673, 188208, 200160, 209120, 235260, 313680, 363346, 376416, 470520, 545019, 627360, 726692, 908365, 941040, 1090038, 1453384, 1635057, 1816730, 1882080, 2180076, 2725095, 2906768, 3270114, 3633460, 4360152, 5450190, 5813536, 6540228, 7266920, 8175285, 8720304, 10900380, 13080456, 14533840, 16350570, 17440608, 21800760, 26160912, 29067680, 32701140, 43601520, 52321824, 65402280, 87203040, 130804560, 261609120]

約数ペア:

[(1, 261609120), (2, 130804560), (3, 87203040), (4, 65402280), (5, 52321824), (6, 43601520), (8, 32701140), (9, 29067680), (10, 26160912), (12, 21800760), (15, 17440608), (16, 16350570), (18, 14533840), (20, 13080456), (24, 10900380), (30, 8720304), (32, 8175285), (36, 7266920), (40, 6540228), (45, 5813536), (48, 5450190), (60, 4360152), (72, 3633460), (80, 3270114), (90, 2906768), (96, 2725095), (120, 2180076), (139, 1882080), (144, 1816730), (160, 1635057), (180, 1453384), (240, 1090038), (278, 941040), (288, 908365), (360, 726692), (417, 627360), (480, 545019), (556, 470520), (695, 376416), (720, 363346), (834, 313680), (1112, 235260), (1251, 209120), (1307, 200160), (1390, 188208), (1440, 181673), (1668, 156840), (2085, 125472), (2224, 117630), (2502, 104560), (2614, 100080), (2780, 94104), (3336, 78420), (3921, 66720), (4170, 62736), (4448, 58815), (5004, 52280), (5228, 50040), (5560, 47052), (6255, 41824), (6535, 40032), (6672, 39210), (7842, 33360), (8340, 31368), (10008, 26140), (10456, 25020), (11120, 23526), (11763, 22240), (12510, 20912), (13070, 20016), (13344, 19605), (15684, 16680)]