641346560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{229}}^1\times {\mathrm{547}}^1$

素因数の和:801

約数の個数: 88

約数和(自身を含む): 1548023280

約数和(自身を除く): 906676720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 256, 320, 458, 512, 547, 640, 916, 1024, 1094, 1145, 1280, 1832, 2188, 2290, 2560, 2735, 3664, 4376, 4580, 5120, 5470, 7328, 8752, 9160, 10940, 14656, 17504, 18320, 21880, 29312, 35008, 36640, 43760, 58624, 70016, 73280, 87520, 117248, 125263, 140032, 146560, 175040, 234496, 250526, 280064, 293120, 350080, 501052, 560128, 586240, 626315, 700160, 1002104, 1172480, 1252630, 1400320, 2004208, 2505260, 2800640, 4008416, 5010520, 8016832, 10021040, 16033664, 20042080, 32067328, 40084160, 64134656, 80168320, 128269312, 160336640, 320673280, 641346560]

約数ペア:

[(1, 641346560), (2, 320673280), (4, 160336640), (5, 128269312), (8, 80168320), (10, 64134656), (16, 40084160), (20, 32067328), (32, 20042080), (40, 16033664), (64, 10021040), (80, 8016832), (128, 5010520), (160, 4008416), (229, 2800640), (256, 2505260), (320, 2004208), (458, 1400320), (512, 1252630), (547, 1172480), (640, 1002104), (916, 700160), (1024, 626315), (1094, 586240), (1145, 560128), (1280, 501052), (1832, 350080), (2188, 293120), (2290, 280064), (2560, 250526), (2735, 234496), (3664, 175040), (4376, 146560), (4580, 140032), (5120, 125263), (5470, 117248), (7328, 87520), (8752, 73280), (9160, 70016), (10940, 58624), (14656, 43760), (17504, 36640), (18320, 35008), (21880, 29312)]