16420500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 53660880

約数和(自身を除く): 37240380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 41, 45, 50, 60, 75, 82, 89, 90, 100, 123, 125, 150, 164, 178, 180, 205, 225, 246, 250, 267, 300, 356, 369, 375, 410, 445, 450, 492, 500, 534, 615, 738, 750, 801, 820, 890, 900, 1025, 1068, 1125, 1230, 1335, 1476, 1500, 1602, 1780, 1845, 2050, 2225, 2250, 2460, 2670, 3075, 3204, 3649, 3690, 4005, 4100, 4450, 4500, 5125, 5340, 6150, 6675, 7298, 7380, 8010, 8900, 9225, 10250, 10947, 11125, 12300, 13350, 14596, 15375, 16020, 18245, 18450, 20025, 20500, 21894, 22250, 26700, 30750, 32841, 33375, 36490, 36900, 40050, 43788, 44500, 46125, 54735, 61500, 65682, 66750, 72980, 80100, 91225, 92250, 100125, 109470, 131364, 133500, 164205, 182450, 184500, 200250, 218940, 273675, 328410, 364900, 400500, 456125, 547350, 656820, 821025, 912250, 1094700, 1368375, 1642050, 1824500, 2736750, 3284100, 4105125, 5473500, 8210250, 16420500]

約数ペア:

[(1, 16420500), (2, 8210250), (3, 5473500), (4, 4105125), (5, 3284100), (6, 2736750), (9, 1824500), (10, 1642050), (12, 1368375), (15, 1094700), (18, 912250), (20, 821025), (25, 656820), (30, 547350), (36, 456125), (41, 400500), (45, 364900), (50, 328410), (60, 273675), (75, 218940), (82, 200250), (89, 184500), (90, 182450), (100, 164205), (123, 133500), (125, 131364), (150, 109470), (164, 100125), (178, 92250), (180, 91225), (205, 80100), (225, 72980), (246, 66750), (250, 65682), (267, 61500), (300, 54735), (356, 46125), (369, 44500), (375, 43788), (410, 40050), (445, 36900), (450, 36490), (492, 33375), (500, 32841), (534, 30750), (615, 26700), (738, 22250), (750, 21894), (801, 20500), (820, 20025), (890, 18450), (900, 18245), (1025, 16020), (1068, 15375), (1125, 14596), (1230, 13350), (1335, 12300), (1476, 11125), (1500, 10947), (1602, 10250), (1780, 9225), (1845, 8900), (2050, 8010), (2225, 7380), (2250, 7298), (2460, 6675), (2670, 6150), (3075, 5340), (3204, 5125), (3649, 4500), (3690, 4450), (4005, 4100)]