266785840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1051}}^1$

素因数の和:1250

約数の個数: 80

約数和(自身を含む): 657457920

約数和(自身を除く): 390672080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 167, 190, 304, 334, 380, 668, 760, 835, 1051, 1336, 1520, 1670, 2102, 2672, 3173, 3340, 4204, 5255, 6346, 6680, 8408, 10510, 12692, 13360, 15865, 16816, 19969, 21020, 25384, 31730, 39938, 42040, 50768, 63460, 79876, 84080, 99845, 126920, 159752, 175517, 199690, 253840, 319504, 351034, 399380, 702068, 798760, 877585, 1404136, 1597520, 1755170, 2808272, 3334823, 3510340, 6669646, 7020680, 13339292, 14041360, 16674115, 26678584, 33348230, 53357168, 66696460, 133392920, 266785840]

約数ペア:

[(1, 266785840), (2, 133392920), (4, 66696460), (5, 53357168), (8, 33348230), (10, 26678584), (16, 16674115), (19, 14041360), (20, 13339292), (38, 7020680), (40, 6669646), (76, 3510340), (80, 3334823), (95, 2808272), (152, 1755170), (167, 1597520), (190, 1404136), (304, 877585), (334, 798760), (380, 702068), (668, 399380), (760, 351034), (835, 319504), (1051, 253840), (1336, 199690), (1520, 175517), (1670, 159752), (2102, 126920), (2672, 99845), (3173, 84080), (3340, 79876), (4204, 63460), (5255, 50768), (6346, 42040), (6680, 39938), (8408, 31730), (10510, 25384), (12692, 21020), (13360, 19969), (15865, 16816)]