161388800

素因数分解:

$2^8\times 5^2\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 108

約数和(自身を含む): 404515776

約数和(自身を除く): 243126976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 151, 160, 167, 200, 256, 302, 320, 334, 400, 604, 640, 668, 755, 800, 835, 1208, 1280, 1336, 1510, 1600, 1670, 2416, 2672, 3020, 3200, 3340, 3775, 4175, 4832, 5344, 6040, 6400, 6680, 7550, 8350, 9664, 10688, 12080, 13360, 15100, 16700, 19328, 21376, 24160, 25217, 26720, 30200, 33400, 38656, 42752, 48320, 50434, 53440, 60400, 66800, 96640, 100868, 106880, 120800, 126085, 133600, 193280, 201736, 213760, 241600, 252170, 267200, 403472, 483200, 504340, 534400, 630425, 806944, 966400, 1008680, 1068800, 1260850, 1613888, 2017360, 2521700, 3227776, 4034720, 5043400, 6455552, 8069440, 10086800, 16138880, 20173600, 32277760, 40347200, 80694400, 161388800]

約数ペア:

[(1, 161388800), (2, 80694400), (4, 40347200), (5, 32277760), (8, 20173600), (10, 16138880), (16, 10086800), (20, 8069440), (25, 6455552), (32, 5043400), (40, 4034720), (50, 3227776), (64, 2521700), (80, 2017360), (100, 1613888), (128, 1260850), (151, 1068800), (160, 1008680), (167, 966400), (200, 806944), (256, 630425), (302, 534400), (320, 504340), (334, 483200), (400, 403472), (604, 267200), (640, 252170), (668, 241600), (755, 213760), (800, 201736), (835, 193280), (1208, 133600), (1280, 126085), (1336, 120800), (1510, 106880), (1600, 100868), (1670, 96640), (2416, 66800), (2672, 60400), (3020, 53440), (3200, 50434), (3340, 48320), (3775, 42752), (4175, 38656), (4832, 33400), (5344, 30200), (6040, 26720), (6400, 25217), (6680, 24160), (7550, 21376), (8350, 19328), (9664, 16700), (10688, 15100), (12080, 13360)]