19756080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1235

約数の個数: 120

約数和(自身を含む): 69290208

約数和(自身を除く): 49534128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1193, 1380, 1656, 1840, 2070, 2386, 2760, 3312, 3579, 4140, 4772, 5520, 5965, 7158, 8280, 9544, 10737, 11930, 14316, 16560, 17895, 19088, 21474, 23860, 27439, 28632, 35790, 42948, 47720, 53685, 54878, 57264, 71580, 82317, 85896, 95440, 107370, 109756, 137195, 143160, 164634, 171792, 214740, 219512, 246951, 274390, 286320, 329268, 411585, 429480, 439024, 493902, 548780, 658536, 823170, 858960, 987804, 1097560, 1234755, 1317072, 1646340, 1975608, 2195120, 2469510, 3292680, 3951216, 4939020, 6585360, 9878040, 19756080]

約数ペア:

[(1, 19756080), (2, 9878040), (3, 6585360), (4, 4939020), (5, 3951216), (6, 3292680), (8, 2469510), (9, 2195120), (10, 1975608), (12, 1646340), (15, 1317072), (16, 1234755), (18, 1097560), (20, 987804), (23, 858960), (24, 823170), (30, 658536), (36, 548780), (40, 493902), (45, 439024), (46, 429480), (48, 411585), (60, 329268), (69, 286320), (72, 274390), (80, 246951), (90, 219512), (92, 214740), (115, 171792), (120, 164634), (138, 143160), (144, 137195), (180, 109756), (184, 107370), (207, 95440), (230, 85896), (240, 82317), (276, 71580), (345, 57264), (360, 54878), (368, 53685), (414, 47720), (460, 42948), (552, 35790), (690, 28632), (720, 27439), (828, 23860), (920, 21474), (1035, 19088), (1104, 17895), (1193, 16560), (1380, 14316), (1656, 11930), (1840, 10737), (2070, 9544), (2386, 8280), (2760, 7158), (3312, 5965), (3579, 5520), (4140, 4772)]