2559720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 7801920

約数和(自身を除く): 5242200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 257, 332, 415, 498, 514, 664, 771, 830, 996, 1028, 1245, 1285, 1542, 1660, 1992, 2056, 2490, 2570, 3084, 3320, 3855, 4980, 5140, 6168, 7710, 9960, 10280, 15420, 21331, 30840, 42662, 63993, 85324, 106655, 127986, 170648, 213310, 255972, 319965, 426620, 511944, 639930, 853240, 1279860, 2559720]

約数ペア:

[(1, 2559720), (2, 1279860), (3, 853240), (4, 639930), (5, 511944), (6, 426620), (8, 319965), (10, 255972), (12, 213310), (15, 170648), (20, 127986), (24, 106655), (30, 85324), (40, 63993), (60, 42662), (83, 30840), (120, 21331), (166, 15420), (249, 10280), (257, 9960), (332, 7710), (415, 6168), (498, 5140), (514, 4980), (664, 3855), (771, 3320), (830, 3084), (996, 2570), (1028, 2490), (1245, 2056), (1285, 1992), (1542, 1660)]