1236158720

素因数分解:

$2^8\times 5^1\times {\mathrm{965749}}^1$

素因数の和:965770

約数の個数: 36

約数和(自身を含む): 2960989500

約数和(自身を除く): 1724830780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 965749, 1931498, 3862996, 4828745, 7725992, 9657490, 15451984, 19314980, 30903968, 38629960, 61807936, 77259920, 123615872, 154519840, 247231744, 309039680, 618079360, 1236158720]

約数ペア:

[(1, 1236158720), (2, 618079360), (4, 309039680), (5, 247231744), (8, 154519840), (10, 123615872), (16, 77259920), (20, 61807936), (32, 38629960), (40, 30903968), (64, 19314980), (80, 15451984), (128, 9657490), (160, 7725992), (256, 4828745), (320, 3862996), (640, 1931498), (1280, 965749)]