78810160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 217892304

約数和(自身を除く): 139082144

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 83, 88, 104, 110, 130, 143, 166, 176, 208, 220, 260, 286, 332, 415, 440, 520, 572, 664, 715, 830, 880, 913, 1040, 1079, 1144, 1328, 1430, 1660, 1826, 2158, 2288, 2860, 3320, 3652, 4316, 4565, 5395, 5720, 6640, 6889, 7304, 8632, 9130, 10790, 11440, 11869, 13778, 14608, 17264, 18260, 21580, 23738, 27556, 34445, 36520, 43160, 47476, 55112, 59345, 68890, 73040, 75779, 86320, 89557, 94952, 110224, 118690, 137780, 151558, 179114, 189904, 237380, 275560, 303116, 358228, 378895, 447785, 474760, 551120, 606232, 716456, 757790, 895570, 949520, 985127, 1212464, 1432912, 1515580, 1791140, 1970254, 3031160, 3582280, 3940508, 4925635, 6062320, 7164560, 7881016, 9851270, 15762032, 19702540, 39405080, 78810160]

約数ペア:

[(1, 78810160), (2, 39405080), (4, 19702540), (5, 15762032), (8, 9851270), (10, 7881016), (11, 7164560), (13, 6062320), (16, 4925635), (20, 3940508), (22, 3582280), (26, 3031160), (40, 1970254), (44, 1791140), (52, 1515580), (55, 1432912), (65, 1212464), (80, 985127), (83, 949520), (88, 895570), (104, 757790), (110, 716456), (130, 606232), (143, 551120), (166, 474760), (176, 447785), (208, 378895), (220, 358228), (260, 303116), (286, 275560), (332, 237380), (415, 189904), (440, 179114), (520, 151558), (572, 137780), (664, 118690), (715, 110224), (830, 94952), (880, 89557), (913, 86320), (1040, 75779), (1079, 73040), (1144, 68890), (1328, 59345), (1430, 55112), (1660, 47476), (1826, 43160), (2158, 36520), (2288, 34445), (2860, 27556), (3320, 23738), (3652, 21580), (4316, 18260), (4565, 17264), (5395, 14608), (5720, 13778), (6640, 11869), (6889, 11440), (7304, 10790), (8632, 9130)]