1561800888

素因数分解:

$2^3\times 3^2\times {\mathrm{191}}^1\times {\mathrm{337}}^2$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 4264678080

約数和(自身を除く): 2702877192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 191, 337, 382, 573, 674, 764, 1011, 1146, 1348, 1528, 1719, 2022, 2292, 2696, 3033, 3438, 4044, 4584, 6066, 6876, 8088, 12132, 13752, 24264, 64367, 113569, 128734, 193101, 227138, 257468, 340707, 386202, 454276, 514936, 579303, 681414, 772404, 908552, 1022121, 1158606, 1362828, 1544808, 2044242, 2317212, 2725656, 4088484, 4634424, 8176968, 21691679, 43383358, 65075037, 86766716, 130150074, 173533432, 195225111, 260300148, 390450222, 520600296, 780900444, 1561800888]

約数ペア:

[(1, 1561800888), (2, 780900444), (3, 520600296), (4, 390450222), (6, 260300148), (8, 195225111), (9, 173533432), (12, 130150074), (18, 86766716), (24, 65075037), (36, 43383358), (72, 21691679), (191, 8176968), (337, 4634424), (382, 4088484), (573, 2725656), (674, 2317212), (764, 2044242), (1011, 1544808), (1146, 1362828), (1348, 1158606), (1528, 1022121), (1719, 908552), (2022, 772404), (2292, 681414), (2696, 579303), (3033, 514936), (3438, 454276), (4044, 386202), (4584, 340707), (6066, 257468), (6876, 227138), (8088, 193101), (12132, 128734), (13752, 113569), (24264, 64367)]