81839880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{491}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 267096960

約数和(自身を除く): 185257080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 463, 491, 926, 982, 1389, 1473, 1852, 1964, 2315, 2455, 2778, 2946, 3704, 3928, 4167, 4419, 4630, 4910, 5556, 5892, 6945, 7365, 8334, 8838, 9260, 9820, 11112, 11784, 13890, 14730, 16668, 17676, 18520, 19640, 20835, 22095, 27780, 29460, 33336, 35352, 41670, 44190, 55560, 58920, 83340, 88380, 166680, 176760, 227333, 454666, 681999, 909332, 1136665, 1363998, 1818664, 2045997, 2273330, 2727996, 3409995, 4091994, 4546660, 5455992, 6819990, 8183988, 9093320, 10229985, 13639980, 16367976, 20459970, 27279960, 40919940, 81839880]

約数ペア:

[(1, 81839880), (2, 40919940), (3, 27279960), (4, 20459970), (5, 16367976), (6, 13639980), (8, 10229985), (9, 9093320), (10, 8183988), (12, 6819990), (15, 5455992), (18, 4546660), (20, 4091994), (24, 3409995), (30, 2727996), (36, 2273330), (40, 2045997), (45, 1818664), (60, 1363998), (72, 1136665), (90, 909332), (120, 681999), (180, 454666), (360, 227333), (463, 176760), (491, 166680), (926, 88380), (982, 83340), (1389, 58920), (1473, 55560), (1852, 44190), (1964, 41670), (2315, 35352), (2455, 33336), (2778, 29460), (2946, 27780), (3704, 22095), (3928, 20835), (4167, 19640), (4419, 18520), (4630, 17676), (4910, 16668), (5556, 14730), (5892, 13890), (6945, 11784), (7365, 11112), (8334, 9820), (8838, 9260)]