261355500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{8297}}^1$

素因数の和:8329

約数の個数: 144

約数和(自身を含む): 942387264

約数和(自身を除く): 681031764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 700, 750, 875, 900, 1050, 1125, 1260, 1500, 1575, 1750, 2100, 2250, 2625, 3150, 3500, 4500, 5250, 6300, 7875, 8297, 10500, 15750, 16594, 24891, 31500, 33188, 41485, 49782, 58079, 74673, 82970, 99564, 116158, 124455, 149346, 165940, 174237, 207425, 232316, 248910, 290395, 298692, 348474, 373365, 414850, 497820, 522711, 580790, 622275, 696948, 746730, 829700, 871185, 1037125, 1045422, 1161580, 1244550, 1451975, 1493460, 1742370, 1866825, 2074250, 2090844, 2489100, 2613555, 2903950, 3111375, 3484740, 3733650, 4148500, 4355925, 5227110, 5807900, 6222750, 7259875, 7467300, 8711850, 9334125, 10454220, 12445500, 13067775, 14519750, 17423700, 18668250, 21779625, 26135550, 29039500, 37336500, 43559250, 52271100, 65338875, 87118500, 130677750, 261355500]

約数ペア:

[(1, 261355500), (2, 130677750), (3, 87118500), (4, 65338875), (5, 52271100), (6, 43559250), (7, 37336500), (9, 29039500), (10, 26135550), (12, 21779625), (14, 18668250), (15, 17423700), (18, 14519750), (20, 13067775), (21, 12445500), (25, 10454220), (28, 9334125), (30, 8711850), (35, 7467300), (36, 7259875), (42, 6222750), (45, 5807900), (50, 5227110), (60, 4355925), (63, 4148500), (70, 3733650), (75, 3484740), (84, 3111375), (90, 2903950), (100, 2613555), (105, 2489100), (125, 2090844), (126, 2074250), (140, 1866825), (150, 1742370), (175, 1493460), (180, 1451975), (210, 1244550), (225, 1161580), (250, 1045422), (252, 1037125), (300, 871185), (315, 829700), (350, 746730), (375, 696948), (420, 622275), (450, 580790), (500, 522711), (525, 497820), (630, 414850), (700, 373365), (750, 348474), (875, 298692), (900, 290395), (1050, 248910), (1125, 232316), (1260, 207425), (1500, 174237), (1575, 165940), (1750, 149346), (2100, 124455), (2250, 116158), (2625, 99564), (3150, 82970), (3500, 74673), (4500, 58079), (5250, 49782), (6300, 41485), (7875, 33188), (8297, 31500), (10500, 24891), (15750, 16594)]