321823360

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21863}}^1$

素因数の和:21905

約数の個数: 64

約数和(自身を含む): 802846080

約数和(自身を除く): 481022720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 21863, 43726, 87452, 109315, 174904, 218630, 349808, 437260, 502849, 699616, 874520, 1005698, 1399232, 1749040, 2011396, 2514245, 2798464, 3498080, 4022792, 5028490, 6996160, 8045584, 10056980, 13992320, 16091168, 20113960, 32182336, 40227920, 64364672, 80455840, 160911680, 321823360]

約数ペア:

[(1, 321823360), (2, 160911680), (4, 80455840), (5, 64364672), (8, 40227920), (10, 32182336), (16, 20113960), (20, 16091168), (23, 13992320), (32, 10056980), (40, 8045584), (46, 6996160), (64, 5028490), (80, 4022792), (92, 3498080), (115, 2798464), (128, 2514245), (160, 2011396), (184, 1749040), (230, 1399232), (320, 1005698), (368, 874520), (460, 699616), (640, 502849), (736, 437260), (920, 349808), (1472, 218630), (1840, 174904), (2944, 109315), (3680, 87452), (7360, 43726), (14720, 21863)]