205004640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1787}}^1$

素因数の和:2044

約数の個数: 96

約数和(自身を含む): 648829440

約数和(自身を除く): 443824800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 239, 240, 478, 480, 717, 956, 1195, 1434, 1787, 1912, 2390, 2868, 3574, 3585, 3824, 4780, 5361, 5736, 7148, 7170, 7648, 8935, 9560, 10722, 11472, 14296, 14340, 17870, 19120, 21444, 22944, 26805, 28592, 28680, 35740, 38240, 42888, 53610, 57184, 57360, 71480, 85776, 107220, 114720, 142960, 171552, 214440, 285920, 427093, 428880, 854186, 857760, 1281279, 1708372, 2135465, 2562558, 3416744, 4270930, 5125116, 6406395, 6833488, 8541860, 10250232, 12812790, 13666976, 17083720, 20500464, 25625580, 34167440, 41000928, 51251160, 68334880, 102502320, 205004640]

約数ペア:

[(1, 205004640), (2, 102502320), (3, 68334880), (4, 51251160), (5, 41000928), (6, 34167440), (8, 25625580), (10, 20500464), (12, 17083720), (15, 13666976), (16, 12812790), (20, 10250232), (24, 8541860), (30, 6833488), (32, 6406395), (40, 5125116), (48, 4270930), (60, 3416744), (80, 2562558), (96, 2135465), (120, 1708372), (160, 1281279), (239, 857760), (240, 854186), (478, 428880), (480, 427093), (717, 285920), (956, 214440), (1195, 171552), (1434, 142960), (1787, 114720), (1912, 107220), (2390, 85776), (2868, 71480), (3574, 57360), (3585, 57184), (3824, 53610), (4780, 42888), (5361, 38240), (5736, 35740), (7148, 28680), (7170, 28592), (7648, 26805), (8935, 22944), (9560, 21444), (10722, 19120), (11472, 17870), (14296, 14340)]