28615140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1$

素因数の和:2826

約数の個数: 96

約数和(自身を含む): 93744000

約数和(自身を除く): 65128860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 2789, 3420, 5130, 5578, 8367, 10260, 11156, 13945, 16734, 25101, 27890, 33468, 41835, 50202, 52991, 55780, 75303, 83670, 100404, 105982, 125505, 150606, 158973, 167340, 211964, 251010, 264955, 301212, 317946, 376515, 476919, 502020, 529910, 635892, 753030, 794865, 953838, 1059820, 1430757, 1506060, 1589730, 1907676, 2384595, 2861514, 3179460, 4769190, 5723028, 7153785, 9538380, 14307570, 28615140]

約数ペア:

[(1, 28615140), (2, 14307570), (3, 9538380), (4, 7153785), (5, 5723028), (6, 4769190), (9, 3179460), (10, 2861514), (12, 2384595), (15, 1907676), (18, 1589730), (19, 1506060), (20, 1430757), (27, 1059820), (30, 953838), (36, 794865), (38, 753030), (45, 635892), (54, 529910), (57, 502020), (60, 476919), (76, 376515), (90, 317946), (95, 301212), (108, 264955), (114, 251010), (135, 211964), (171, 167340), (180, 158973), (190, 150606), (228, 125505), (270, 105982), (285, 100404), (342, 83670), (380, 75303), (513, 55780), (540, 52991), (570, 50202), (684, 41835), (855, 33468), (1026, 27890), (1140, 25101), (1710, 16734), (2052, 13945), (2565, 11156), (2789, 10260), (3420, 8367), (5130, 5578)]