80743968

素因数分解:

$2^5\times 3^2\times {\mathrm{491}}^1\times {\mathrm{571}}^1$

素因数の和:1078

約数の個数: 72

約数和(自身を含む): 230486256

約数和(自身を除く): 149742288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 491, 571, 982, 1142, 1473, 1713, 1964, 2284, 2946, 3426, 3928, 4419, 4568, 5139, 5892, 6852, 7856, 8838, 9136, 10278, 11784, 13704, 15712, 17676, 18272, 20556, 23568, 27408, 35352, 41112, 47136, 54816, 70704, 82224, 141408, 164448, 280361, 560722, 841083, 1121444, 1682166, 2242888, 2523249, 3364332, 4485776, 5046498, 6728664, 8971552, 10092996, 13457328, 20185992, 26914656, 40371984, 80743968]

約数ペア:

[(1, 80743968), (2, 40371984), (3, 26914656), (4, 20185992), (6, 13457328), (8, 10092996), (9, 8971552), (12, 6728664), (16, 5046498), (18, 4485776), (24, 3364332), (32, 2523249), (36, 2242888), (48, 1682166), (72, 1121444), (96, 841083), (144, 560722), (288, 280361), (491, 164448), (571, 141408), (982, 82224), (1142, 70704), (1473, 54816), (1713, 47136), (1964, 41112), (2284, 35352), (2946, 27408), (3426, 23568), (3928, 20556), (4419, 18272), (4568, 17676), (5139, 15712), (5892, 13704), (6852, 11784), (7856, 10278), (8838, 9136)]