78135680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 216794880

約数和(自身を除く): 138659200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 107, 112, 128, 140, 160, 163, 214, 224, 280, 320, 326, 428, 448, 535, 560, 640, 652, 749, 815, 856, 896, 1070, 1120, 1141, 1304, 1498, 1630, 1712, 2140, 2240, 2282, 2608, 2996, 3260, 3424, 3745, 4280, 4480, 4564, 5216, 5705, 5992, 6520, 6848, 7490, 8560, 9128, 10432, 11410, 11984, 13040, 13696, 14980, 17120, 17441, 18256, 20864, 22820, 23968, 26080, 29960, 34240, 34882, 36512, 45640, 47936, 52160, 59920, 68480, 69764, 73024, 87205, 91280, 95872, 104320, 119840, 122087, 139528, 146048, 174410, 182560, 239680, 244174, 279056, 348820, 365120, 479360, 488348, 558112, 610435, 697640, 730240, 976696, 1116224, 1220870, 1395280, 1953392, 2232448, 2441740, 2790560, 3906784, 4883480, 5581120, 7813568, 9766960, 11162240, 15627136, 19533920, 39067840, 78135680]

約数ペア:

[(1, 78135680), (2, 39067840), (4, 19533920), (5, 15627136), (7, 11162240), (8, 9766960), (10, 7813568), (14, 5581120), (16, 4883480), (20, 3906784), (28, 2790560), (32, 2441740), (35, 2232448), (40, 1953392), (56, 1395280), (64, 1220870), (70, 1116224), (80, 976696), (107, 730240), (112, 697640), (128, 610435), (140, 558112), (160, 488348), (163, 479360), (214, 365120), (224, 348820), (280, 279056), (320, 244174), (326, 239680), (428, 182560), (448, 174410), (535, 146048), (560, 139528), (640, 122087), (652, 119840), (749, 104320), (815, 95872), (856, 91280), (896, 87205), (1070, 73024), (1120, 69764), (1141, 68480), (1304, 59920), (1498, 52160), (1630, 47936), (1712, 45640), (2140, 36512), (2240, 34882), (2282, 34240), (2608, 29960), (2996, 26080), (3260, 23968), (3424, 22820), (3745, 20864), (4280, 18256), (4480, 17441), (4564, 17120), (5216, 14980), (5705, 13696), (5992, 13040), (6520, 11984), (6848, 11410), (7490, 10432), (8560, 9128)]