64555520

素因数分解:

$2^9\times 5^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:341

約数の個数: 80

約数和(自身を含む): 156739968

約数和(自身を除く): 92184448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 167, 256, 302, 320, 334, 512, 604, 640, 668, 755, 835, 1208, 1280, 1336, 1510, 1670, 2416, 2560, 2672, 3020, 3340, 4832, 5344, 6040, 6680, 9664, 10688, 12080, 13360, 19328, 21376, 24160, 25217, 26720, 38656, 42752, 48320, 50434, 53440, 77312, 85504, 96640, 100868, 106880, 126085, 193280, 201736, 213760, 252170, 386560, 403472, 427520, 504340, 806944, 1008680, 1613888, 2017360, 3227776, 4034720, 6455552, 8069440, 12911104, 16138880, 32277760, 64555520]

約数ペア:

[(1, 64555520), (2, 32277760), (4, 16138880), (5, 12911104), (8, 8069440), (10, 6455552), (16, 4034720), (20, 3227776), (32, 2017360), (40, 1613888), (64, 1008680), (80, 806944), (128, 504340), (151, 427520), (160, 403472), (167, 386560), (256, 252170), (302, 213760), (320, 201736), (334, 193280), (512, 126085), (604, 106880), (640, 100868), (668, 96640), (755, 85504), (835, 77312), (1208, 53440), (1280, 50434), (1336, 48320), (1510, 42752), (1670, 38656), (2416, 26720), (2560, 25217), (2672, 24160), (3020, 21376), (3340, 19328), (4832, 13360), (5344, 12080), (6040, 10688), (6680, 9664)]