207920960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:512

約数の個数: 112

約数和(自身を含む): 538349952

約数和(自身を除く): 330428992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 151, 160, 208, 260, 302, 320, 331, 416, 520, 604, 662, 755, 832, 1040, 1208, 1324, 1510, 1655, 1963, 2080, 2416, 2648, 3020, 3310, 3926, 4160, 4303, 4832, 5296, 6040, 6620, 7852, 8606, 9664, 9815, 10592, 12080, 13240, 15704, 17212, 19630, 21184, 21515, 24160, 26480, 31408, 34424, 39260, 43030, 48320, 49981, 52960, 62816, 68848, 78520, 86060, 99962, 105920, 125632, 137696, 157040, 172120, 199924, 249905, 275392, 314080, 344240, 399848, 499810, 628160, 649753, 688480, 799696, 999620, 1299506, 1376960, 1599392, 1999240, 2599012, 3198784, 3248765, 3998480, 5198024, 6497530, 7996960, 10396048, 12995060, 15993920, 20792096, 25990120, 41584192, 51980240, 103960480, 207920960]

約数ペア:

[(1, 207920960), (2, 103960480), (4, 51980240), (5, 41584192), (8, 25990120), (10, 20792096), (13, 15993920), (16, 12995060), (20, 10396048), (26, 7996960), (32, 6497530), (40, 5198024), (52, 3998480), (64, 3248765), (65, 3198784), (80, 2599012), (104, 1999240), (130, 1599392), (151, 1376960), (160, 1299506), (208, 999620), (260, 799696), (302, 688480), (320, 649753), (331, 628160), (416, 499810), (520, 399848), (604, 344240), (662, 314080), (755, 275392), (832, 249905), (1040, 199924), (1208, 172120), (1324, 157040), (1510, 137696), (1655, 125632), (1963, 105920), (2080, 99962), (2416, 86060), (2648, 78520), (3020, 68848), (3310, 62816), (3926, 52960), (4160, 49981), (4303, 48320), (4832, 43030), (5296, 39260), (6040, 34424), (6620, 31408), (7852, 26480), (8606, 24160), (9664, 21515), (9815, 21184), (10592, 19630), (12080, 17212), (13240, 15704)]