77656880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1373}}^1$

素因数の和:1494

約数の個数: 80

約数和(自身を含む): 208540224

約数和(自身を除く): 130883344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1373, 1414, 1616, 2020, 2746, 2828, 3535, 4040, 5492, 5656, 6865, 7070, 8080, 9611, 10984, 11312, 13730, 14140, 19222, 21968, 27460, 28280, 38444, 48055, 54920, 56560, 76888, 96110, 109840, 138673, 153776, 192220, 277346, 384440, 554692, 693365, 768880, 970711, 1109384, 1386730, 1941422, 2218768, 2773460, 3882844, 4853555, 5546920, 7765688, 9707110, 11093840, 15531376, 19414220, 38828440, 77656880]

約数ペア:

[(1, 77656880), (2, 38828440), (4, 19414220), (5, 15531376), (7, 11093840), (8, 9707110), (10, 7765688), (14, 5546920), (16, 4853555), (20, 3882844), (28, 2773460), (35, 2218768), (40, 1941422), (56, 1386730), (70, 1109384), (80, 970711), (101, 768880), (112, 693365), (140, 554692), (202, 384440), (280, 277346), (404, 192220), (505, 153776), (560, 138673), (707, 109840), (808, 96110), (1010, 76888), (1373, 56560), (1414, 54920), (1616, 48055), (2020, 38444), (2746, 28280), (2828, 27460), (3535, 21968), (4040, 19222), (5492, 14140), (5656, 13730), (6865, 11312), (7070, 10984), (8080, 9611)]