81004500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 261660672

約数和(自身を除く): 180656172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 47, 50, 60, 75, 90, 94, 100, 125, 141, 150, 180, 188, 225, 235, 250, 282, 300, 375, 383, 423, 450, 470, 500, 564, 705, 750, 766, 846, 900, 940, 1125, 1149, 1175, 1410, 1500, 1532, 1692, 1915, 2115, 2250, 2298, 2350, 2820, 3447, 3525, 3830, 4230, 4500, 4596, 4700, 5745, 5875, 6894, 7050, 7660, 8460, 9575, 10575, 11490, 11750, 13788, 14100, 17235, 17625, 18001, 19150, 21150, 22980, 23500, 28725, 34470, 35250, 36002, 38300, 42300, 47875, 52875, 54003, 57450, 68940, 70500, 72004, 86175, 90005, 95750, 105750, 108006, 114900, 143625, 162009, 172350, 180010, 191500, 211500, 216012, 270015, 287250, 324018, 344700, 360020, 430875, 450025, 540030, 574500, 648036, 810045, 861750, 900050, 1080060, 1350075, 1620090, 1723500, 1800100, 2250125, 2700150, 3240180, 4050225, 4500250, 5400300, 6750375, 8100450, 9000500, 13500750, 16200900, 20251125, 27001500, 40502250, 81004500]

約数ペア:

[(1, 81004500), (2, 40502250), (3, 27001500), (4, 20251125), (5, 16200900), (6, 13500750), (9, 9000500), (10, 8100450), (12, 6750375), (15, 5400300), (18, 4500250), (20, 4050225), (25, 3240180), (30, 2700150), (36, 2250125), (45, 1800100), (47, 1723500), (50, 1620090), (60, 1350075), (75, 1080060), (90, 900050), (94, 861750), (100, 810045), (125, 648036), (141, 574500), (150, 540030), (180, 450025), (188, 430875), (225, 360020), (235, 344700), (250, 324018), (282, 287250), (300, 270015), (375, 216012), (383, 211500), (423, 191500), (450, 180010), (470, 172350), (500, 162009), (564, 143625), (705, 114900), (750, 108006), (766, 105750), (846, 95750), (900, 90005), (940, 86175), (1125, 72004), (1149, 70500), (1175, 68940), (1410, 57450), (1500, 54003), (1532, 52875), (1692, 47875), (1915, 42300), (2115, 38300), (2250, 36002), (2298, 35250), (2350, 34470), (2820, 28725), (3447, 23500), (3525, 22980), (3830, 21150), (4230, 19150), (4500, 18001), (4596, 17625), (4700, 17235), (5745, 14100), (5875, 13788), (6894, 11750), (7050, 11490), (7660, 10575), (8460, 9575)]