640804547985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1\times {\mathrm{136399}}^1$

素因数の和:136958

約数の個数: 64

約数和(自身を含む): 1186038374400

約数和(自身を除く): 545233826415

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 303, 443, 505, 707, 1329, 1515, 2121, 2215, 3101, 3535, 6645, 9303, 10605, 15505, 44743, 46515, 134229, 136399, 223715, 313201, 409197, 671145, 681995, 939603, 954793, 1566005, 2045985, 2864379, 4698015, 4773965, 13776299, 14321895, 41328897, 60424757, 68881495, 96434093, 181274271, 206644485, 289302279, 302123785, 422973299, 482170465, 906371355, 1268919897, 1446511395, 2114866495, 6102900457, 6344599485, 18308701371, 30514502285, 42720303199, 91543506855, 128160909597, 213601515995, 640804547985]

約数ペア:

[(1, 640804547985), (3, 213601515995), (5, 128160909597), (7, 91543506855), (15, 42720303199), (21, 30514502285), (35, 18308701371), (101, 6344599485), (105, 6102900457), (303, 2114866495), (443, 1446511395), (505, 1268919897), (707, 906371355), (1329, 482170465), (1515, 422973299), (2121, 302123785), (2215, 289302279), (3101, 206644485), (3535, 181274271), (6645, 96434093), (9303, 68881495), (10605, 60424757), (15505, 41328897), (44743, 14321895), (46515, 13776299), (134229, 4773965), (136399, 4698015), (223715, 2864379), (313201, 2045985), (409197, 1566005), (671145, 954793), (681995, 939603)]