198685980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1399}}^1$

素因数の和:1680

約数の個数: 96

約数和(自身を含む): 620928000

約数和(自身を除く): 422242020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 263, 270, 526, 540, 789, 1052, 1315, 1399, 1578, 2367, 2630, 2798, 3156, 3945, 4197, 4734, 5260, 5596, 6995, 7101, 7890, 8394, 9468, 11835, 12591, 13990, 14202, 15780, 16788, 20985, 23670, 25182, 27980, 28404, 35505, 37773, 41970, 47340, 50364, 62955, 71010, 75546, 83940, 125910, 142020, 151092, 188865, 251820, 367937, 377730, 735874, 755460, 1103811, 1471748, 1839685, 2207622, 3311433, 3679370, 4415244, 5519055, 6622866, 7358740, 9934299, 11038110, 13245732, 16557165, 19868598, 22076220, 33114330, 39737196, 49671495, 66228660, 99342990, 198685980]

約数ペア:

[(1, 198685980), (2, 99342990), (3, 66228660), (4, 49671495), (5, 39737196), (6, 33114330), (9, 22076220), (10, 19868598), (12, 16557165), (15, 13245732), (18, 11038110), (20, 9934299), (27, 7358740), (30, 6622866), (36, 5519055), (45, 4415244), (54, 3679370), (60, 3311433), (90, 2207622), (108, 1839685), (135, 1471748), (180, 1103811), (263, 755460), (270, 735874), (526, 377730), (540, 367937), (789, 251820), (1052, 188865), (1315, 151092), (1399, 142020), (1578, 125910), (2367, 83940), (2630, 75546), (2798, 71010), (3156, 62955), (3945, 50364), (4197, 47340), (4734, 41970), (5260, 37773), (5596, 35505), (6995, 28404), (7101, 27980), (7890, 25182), (8394, 23670), (9468, 20985), (11835, 16788), (12591, 15780), (13990, 14202)]