71517880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1567}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 185149440

約数和(自身を除く): 113631560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1567, 1630, 2282, 3134, 3260, 4564, 5705, 6268, 6520, 7835, 9128, 10969, 11410, 12536, 15670, 21938, 22820, 31340, 43876, 45640, 54845, 62680, 87752, 109690, 219380, 255421, 438760, 510842, 1021684, 1277105, 1787947, 2043368, 2554210, 3575894, 5108420, 7151788, 8939735, 10216840, 14303576, 17879470, 35758940, 71517880]

約数ペア:

[(1, 71517880), (2, 35758940), (4, 17879470), (5, 14303576), (7, 10216840), (8, 8939735), (10, 7151788), (14, 5108420), (20, 3575894), (28, 2554210), (35, 2043368), (40, 1787947), (56, 1277105), (70, 1021684), (140, 510842), (163, 438760), (280, 255421), (326, 219380), (652, 109690), (815, 87752), (1141, 62680), (1304, 54845), (1567, 45640), (1630, 43876), (2282, 31340), (3134, 22820), (3260, 21938), (4564, 15670), (5705, 12536), (6268, 11410), (6520, 10969), (7835, 9128)]