220290120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2381}}^1$

素因数の和:2655

約数の個数: 96

約数和(自身を含む): 719030520

約数和(自身を除く): 498740400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 257, 360, 514, 771, 1028, 1285, 1542, 2056, 2313, 2381, 2570, 3084, 3855, 4626, 4762, 5140, 6168, 7143, 7710, 9252, 9524, 10280, 11565, 11905, 14286, 15420, 18504, 19048, 21429, 23130, 23810, 28572, 30840, 35715, 42858, 46260, 47620, 57144, 71430, 85716, 92520, 95240, 107145, 142860, 171432, 214290, 285720, 428580, 611917, 857160, 1223834, 1835751, 2447668, 3059585, 3671502, 4895336, 5507253, 6119170, 7343004, 9178755, 11014506, 12238340, 14686008, 18357510, 22029012, 24476680, 27536265, 36715020, 44058024, 55072530, 73430040, 110145060, 220290120]

約数ペア:

[(1, 220290120), (2, 110145060), (3, 73430040), (4, 55072530), (5, 44058024), (6, 36715020), (8, 27536265), (9, 24476680), (10, 22029012), (12, 18357510), (15, 14686008), (18, 12238340), (20, 11014506), (24, 9178755), (30, 7343004), (36, 6119170), (40, 5507253), (45, 4895336), (60, 3671502), (72, 3059585), (90, 2447668), (120, 1835751), (180, 1223834), (257, 857160), (360, 611917), (514, 428580), (771, 285720), (1028, 214290), (1285, 171432), (1542, 142860), (2056, 107145), (2313, 95240), (2381, 92520), (2570, 85716), (3084, 71430), (3855, 57144), (4626, 47620), (4762, 46260), (5140, 42858), (6168, 35715), (7143, 30840), (7710, 28572), (9252, 23810), (9524, 23130), (10280, 21429), (11565, 19048), (11905, 18504), (14286, 15420)]