128421360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1223

約数の個数: 120

約数和(自身を含む): 434195424

約数和(自身を除く): 305774064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 173, 180, 240, 346, 360, 519, 692, 720, 865, 1031, 1038, 1384, 1557, 1730, 2062, 2076, 2595, 2768, 3093, 3114, 3460, 4124, 4152, 5155, 5190, 6186, 6228, 6920, 7785, 8248, 8304, 9279, 10310, 10380, 12372, 12456, 13840, 15465, 15570, 16496, 18558, 20620, 20760, 24744, 24912, 30930, 31140, 37116, 41240, 41520, 46395, 49488, 61860, 62280, 74232, 82480, 92790, 123720, 124560, 148464, 178363, 185580, 247440, 356726, 371160, 535089, 713452, 742320, 891815, 1070178, 1426904, 1605267, 1783630, 2140356, 2675445, 2853808, 3210534, 3567260, 4280712, 5350890, 6421068, 7134520, 8026335, 8561424, 10701780, 12842136, 14269040, 16052670, 21403560, 25684272, 32105340, 42807120, 64210680, 128421360]

約数ペア:

[(1, 128421360), (2, 64210680), (3, 42807120), (4, 32105340), (5, 25684272), (6, 21403560), (8, 16052670), (9, 14269040), (10, 12842136), (12, 10701780), (15, 8561424), (16, 8026335), (18, 7134520), (20, 6421068), (24, 5350890), (30, 4280712), (36, 3567260), (40, 3210534), (45, 2853808), (48, 2675445), (60, 2140356), (72, 1783630), (80, 1605267), (90, 1426904), (120, 1070178), (144, 891815), (173, 742320), (180, 713452), (240, 535089), (346, 371160), (360, 356726), (519, 247440), (692, 185580), (720, 178363), (865, 148464), (1031, 124560), (1038, 123720), (1384, 92790), (1557, 82480), (1730, 74232), (2062, 62280), (2076, 61860), (2595, 49488), (2768, 46395), (3093, 41520), (3114, 41240), (3460, 37116), (4124, 31140), (4152, 30930), (5155, 24912), (5190, 24744), (6186, 20760), (6228, 20620), (6920, 18558), (7785, 16496), (8248, 15570), (8304, 15465), (9279, 13840), (10310, 12456), (10380, 12372)]