7999980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{883}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 22573824

約数和(自身を除く): 14573844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 883, 906, 1510, 1766, 1812, 2265, 2649, 3020, 3532, 4415, 4530, 5298, 8830, 9060, 10596, 13245, 17660, 26490, 52980, 133333, 266666, 399999, 533332, 666665, 799998, 1333330, 1599996, 1999995, 2666660, 3999990, 7999980]

約数ペア:

[(1, 7999980), (2, 3999990), (3, 2666660), (4, 1999995), (5, 1599996), (6, 1333330), (10, 799998), (12, 666665), (15, 533332), (20, 399999), (30, 266666), (60, 133333), (151, 52980), (302, 26490), (453, 17660), (604, 13245), (755, 10596), (883, 9060), (906, 8830), (1510, 5298), (1766, 4530), (1812, 4415), (2265, 3532), (2649, 3020)]