281213460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1303}}^1$

素因数の和:1438

約数の個数: 144

約数和(自身を含む): 939818880

約数和(自身を除く): 658605420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 109, 110, 132, 165, 180, 198, 218, 220, 327, 330, 396, 436, 495, 545, 654, 660, 981, 990, 1090, 1199, 1303, 1308, 1635, 1962, 1980, 2180, 2398, 2606, 3270, 3597, 3909, 3924, 4796, 4905, 5212, 5995, 6515, 6540, 7194, 7818, 9810, 10791, 11727, 11990, 13030, 14333, 14388, 15636, 17985, 19545, 19620, 21582, 23454, 23980, 26060, 28666, 35970, 39090, 42999, 43164, 46908, 53955, 57332, 58635, 71665, 71940, 78180, 85998, 107910, 117270, 128997, 142027, 143330, 171996, 214995, 215820, 234540, 257994, 284054, 286660, 426081, 429990, 515988, 568108, 644985, 710135, 852162, 859980, 1278243, 1289970, 1420270, 1562297, 1704324, 2130405, 2556486, 2579940, 2840540, 3124594, 4260810, 4686891, 5112972, 6249188, 6391215, 7811485, 8521620, 9373782, 12782430, 14060673, 15622970, 18747564, 23434455, 25564860, 28121346, 31245940, 46868910, 56242692, 70303365, 93737820, 140606730, 281213460]

約数ペア:

[(1, 281213460), (2, 140606730), (3, 93737820), (4, 70303365), (5, 56242692), (6, 46868910), (9, 31245940), (10, 28121346), (11, 25564860), (12, 23434455), (15, 18747564), (18, 15622970), (20, 14060673), (22, 12782430), (30, 9373782), (33, 8521620), (36, 7811485), (44, 6391215), (45, 6249188), (55, 5112972), (60, 4686891), (66, 4260810), (90, 3124594), (99, 2840540), (109, 2579940), (110, 2556486), (132, 2130405), (165, 1704324), (180, 1562297), (198, 1420270), (218, 1289970), (220, 1278243), (327, 859980), (330, 852162), (396, 710135), (436, 644985), (495, 568108), (545, 515988), (654, 429990), (660, 426081), (981, 286660), (990, 284054), (1090, 257994), (1199, 234540), (1303, 215820), (1308, 214995), (1635, 171996), (1962, 143330), (1980, 142027), (2180, 128997), (2398, 117270), (2606, 107910), (3270, 85998), (3597, 78180), (3909, 71940), (3924, 71665), (4796, 58635), (4905, 57332), (5212, 53955), (5995, 46908), (6515, 43164), (6540, 42999), (7194, 39090), (7818, 35970), (9810, 28666), (10791, 26060), (11727, 23980), (11990, 23454), (13030, 21582), (14333, 19620), (14388, 19545), (15636, 17985)]