80398620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3517}}^1$

素因数の和:3659

約数の個数: 72

約数和(自身を含む): 245865984

約数和(自身を除く): 165467364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3517, 3810, 4572, 5715, 7034, 7620, 10551, 11430, 14068, 17585, 21102, 22860, 31653, 35170, 42204, 52755, 63306, 70340, 105510, 126612, 158265, 211020, 316530, 446659, 633060, 893318, 1339977, 1786636, 2233295, 2679954, 4019931, 4466590, 5359908, 6699885, 8039862, 8933180, 13399770, 16079724, 20099655, 26799540, 40199310, 80398620]

約数ペア:

[(1, 80398620), (2, 40199310), (3, 26799540), (4, 20099655), (5, 16079724), (6, 13399770), (9, 8933180), (10, 8039862), (12, 6699885), (15, 5359908), (18, 4466590), (20, 4019931), (30, 2679954), (36, 2233295), (45, 1786636), (60, 1339977), (90, 893318), (127, 633060), (180, 446659), (254, 316530), (381, 211020), (508, 158265), (635, 126612), (762, 105510), (1143, 70340), (1270, 63306), (1524, 52755), (1905, 42204), (2286, 35170), (2540, 31653), (3517, 22860), (3810, 21102), (4572, 17585), (5715, 14068), (7034, 11430), (7620, 10551)]