162881680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8243}}^1$

素因数の和:8288

約数の個数: 80

約数和(自身を含む): 429347520

約数和(自身を除く): 266465840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 8243, 9880, 16486, 19760, 32972, 41215, 65944, 82430, 107159, 131888, 156617, 164860, 214318, 313234, 329720, 428636, 535795, 626468, 659440, 783085, 857272, 1071590, 1252936, 1566170, 1714544, 2036021, 2143180, 2505872, 3132340, 4072042, 4286360, 6264680, 8144084, 8572720, 10180105, 12529360, 16288168, 20360210, 32576336, 40720420, 81440840, 162881680]

約数ペア:

[(1, 162881680), (2, 81440840), (4, 40720420), (5, 32576336), (8, 20360210), (10, 16288168), (13, 12529360), (16, 10180105), (19, 8572720), (20, 8144084), (26, 6264680), (38, 4286360), (40, 4072042), (52, 3132340), (65, 2505872), (76, 2143180), (80, 2036021), (95, 1714544), (104, 1566170), (130, 1252936), (152, 1071590), (190, 857272), (208, 783085), (247, 659440), (260, 626468), (304, 535795), (380, 428636), (494, 329720), (520, 313234), (760, 214318), (988, 164860), (1040, 156617), (1235, 131888), (1520, 107159), (1976, 82430), (2470, 65944), (3952, 41215), (4940, 32972), (8243, 19760), (9880, 16486)]