42880890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2623

約数の個数: 64

約数和(自身を含む): 113452416

約数和(自身を除く): 70571526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2557, 2795, 3354, 5114, 5590, 7671, 8385, 12785, 15342, 16770, 25570, 33241, 38355, 66482, 76710, 99723, 109951, 166205, 199446, 219902, 329853, 332410, 498615, 549755, 659706, 997230, 1099510, 1429363, 1649265, 2858726, 3298530, 4288089, 7146815, 8576178, 14293630, 21440445, 42880890]

約数ペア:

[(1, 42880890), (2, 21440445), (3, 14293630), (5, 8576178), (6, 7146815), (10, 4288089), (13, 3298530), (15, 2858726), (26, 1649265), (30, 1429363), (39, 1099510), (43, 997230), (65, 659706), (78, 549755), (86, 498615), (129, 332410), (130, 329853), (195, 219902), (215, 199446), (258, 166205), (390, 109951), (430, 99723), (559, 76710), (645, 66482), (1118, 38355), (1290, 33241), (1677, 25570), (2557, 16770), (2795, 15342), (3354, 12785), (5114, 8385), (5590, 7671)]