640056168

素因数分解:

$2^3\times 3^7\times {\mathrm{36583}}^1$

素因数の和:36610

約数の個数: 64

約数和(自身を含む): 1799932800

約数和(自身を除く): 1159876632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2187, 2916, 4374, 5832, 8748, 17496, 36583, 73166, 109749, 146332, 219498, 292664, 329247, 438996, 658494, 877992, 987741, 1316988, 1975482, 2633976, 2963223, 3950964, 5926446, 7901928, 8889669, 11852892, 17779338, 23705784, 26669007, 35558676, 53338014, 71117352, 80007021, 106676028, 160014042, 213352056, 320028084, 640056168]

約数ペア:

[(1, 640056168), (2, 320028084), (3, 213352056), (4, 160014042), (6, 106676028), (8, 80007021), (9, 71117352), (12, 53338014), (18, 35558676), (24, 26669007), (27, 23705784), (36, 17779338), (54, 11852892), (72, 8889669), (81, 7901928), (108, 5926446), (162, 3950964), (216, 2963223), (243, 2633976), (324, 1975482), (486, 1316988), (648, 987741), (729, 877992), (972, 658494), (1458, 438996), (1944, 329247), (2187, 292664), (2916, 219498), (4374, 146332), (5832, 109749), (8748, 73166), (17496, 36583)]