47812500

素因数分解:

$2^2\times 3^2\times 5^7\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 144

約数和(自身を含む): 159960528

約数和(自身を除く): 112148028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 125, 150, 153, 170, 180, 204, 225, 250, 255, 300, 306, 340, 375, 425, 450, 500, 510, 612, 625, 750, 765, 850, 900, 1020, 1125, 1250, 1275, 1500, 1530, 1700, 1875, 2125, 2250, 2500, 2550, 3060, 3125, 3750, 3825, 4250, 4500, 5100, 5625, 6250, 6375, 7500, 7650, 8500, 9375, 10625, 11250, 12500, 12750, 15300, 15625, 18750, 19125, 21250, 22500, 25500, 28125, 31250, 31875, 37500, 38250, 42500, 46875, 53125, 56250, 62500, 63750, 76500, 78125, 93750, 95625, 106250, 112500, 127500, 140625, 156250, 159375, 187500, 191250, 212500, 234375, 265625, 281250, 312500, 318750, 382500, 468750, 478125, 531250, 562500, 637500, 703125, 796875, 937500, 956250, 1062500, 1328125, 1406250, 1593750, 1912500, 2390625, 2656250, 2812500, 3187500, 3984375, 4781250, 5312500, 7968750, 9562500, 11953125, 15937500, 23906250, 47812500]

約数ペア:

[(1, 47812500), (2, 23906250), (3, 15937500), (4, 11953125), (5, 9562500), (6, 7968750), (9, 5312500), (10, 4781250), (12, 3984375), (15, 3187500), (17, 2812500), (18, 2656250), (20, 2390625), (25, 1912500), (30, 1593750), (34, 1406250), (36, 1328125), (45, 1062500), (50, 956250), (51, 937500), (60, 796875), (68, 703125), (75, 637500), (85, 562500), (90, 531250), (100, 478125), (102, 468750), (125, 382500), (150, 318750), (153, 312500), (170, 281250), (180, 265625), (204, 234375), (225, 212500), (250, 191250), (255, 187500), (300, 159375), (306, 156250), (340, 140625), (375, 127500), (425, 112500), (450, 106250), (500, 95625), (510, 93750), (612, 78125), (625, 76500), (750, 63750), (765, 62500), (850, 56250), (900, 53125), (1020, 46875), (1125, 42500), (1250, 38250), (1275, 37500), (1500, 31875), (1530, 31250), (1700, 28125), (1875, 25500), (2125, 22500), (2250, 21250), (2500, 19125), (2550, 18750), (3060, 15625), (3125, 15300), (3750, 12750), (3825, 12500), (4250, 11250), (4500, 10625), (5100, 9375), (5625, 8500), (6250, 7650), (6375, 7500)]