201707820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1509

約数の個数: 120

約数和(自身を含む): 640332000

約数和(自身を除く): 438624180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 267, 270, 324, 356, 405, 445, 534, 540, 801, 810, 890, 1068, 1335, 1399, 1602, 1620, 1780, 2403, 2670, 2798, 3204, 4005, 4197, 4806, 5340, 5596, 6995, 7209, 8010, 8394, 9612, 12015, 12591, 13990, 14418, 16020, 16788, 20985, 24030, 25182, 27980, 28836, 36045, 37773, 41970, 48060, 50364, 62955, 72090, 75546, 83940, 113319, 124511, 125910, 144180, 151092, 188865, 226638, 249022, 251820, 373533, 377730, 453276, 498044, 566595, 622555, 747066, 755460, 1120599, 1133190, 1245110, 1494132, 1867665, 2241198, 2266380, 2490220, 3361797, 3735330, 4482396, 5602995, 6723594, 7470660, 10085391, 11205990, 13447188, 16808985, 20170782, 22411980, 33617970, 40341564, 50426955, 67235940, 100853910, 201707820]

約数ペア:

[(1, 201707820), (2, 100853910), (3, 67235940), (4, 50426955), (5, 40341564), (6, 33617970), (9, 22411980), (10, 20170782), (12, 16808985), (15, 13447188), (18, 11205990), (20, 10085391), (27, 7470660), (30, 6723594), (36, 5602995), (45, 4482396), (54, 3735330), (60, 3361797), (81, 2490220), (89, 2266380), (90, 2241198), (108, 1867665), (135, 1494132), (162, 1245110), (178, 1133190), (180, 1120599), (267, 755460), (270, 747066), (324, 622555), (356, 566595), (405, 498044), (445, 453276), (534, 377730), (540, 373533), (801, 251820), (810, 249022), (890, 226638), (1068, 188865), (1335, 151092), (1399, 144180), (1602, 125910), (1620, 124511), (1780, 113319), (2403, 83940), (2670, 75546), (2798, 72090), (3204, 62955), (4005, 50364), (4197, 48060), (4806, 41970), (5340, 37773), (5596, 36045), (6995, 28836), (7209, 27980), (8010, 25182), (8394, 24030), (9612, 20985), (12015, 16788), (12591, 16020), (13990, 14418)]