80968500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:991

約数の個数: 144

約数和(自身を含む): 269156160

約数和(自身を除く): 188187660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 375, 380, 450, 475, 500, 570, 684, 750, 855, 900, 947, 950, 1125, 1140, 1425, 1500, 1710, 1894, 1900, 2250, 2375, 2841, 2850, 3420, 3788, 4275, 4500, 4735, 4750, 5682, 5700, 7125, 8523, 8550, 9470, 9500, 11364, 14205, 14250, 17046, 17100, 17993, 18940, 21375, 23675, 28410, 28500, 34092, 35986, 42615, 42750, 47350, 53979, 56820, 71025, 71972, 85230, 85500, 89965, 94700, 107958, 118375, 142050, 161937, 170460, 179930, 213075, 215916, 236750, 269895, 284100, 323874, 355125, 359860, 426150, 449825, 473500, 539790, 647748, 710250, 809685, 852300, 899650, 1065375, 1079580, 1349475, 1420500, 1619370, 1799300, 2130750, 2249125, 2698950, 3238740, 4048425, 4261500, 4498250, 5397900, 6747375, 8096850, 8996500, 13494750, 16193700, 20242125, 26989500, 40484250, 80968500]

約数ペア:

[(1, 80968500), (2, 40484250), (3, 26989500), (4, 20242125), (5, 16193700), (6, 13494750), (9, 8996500), (10, 8096850), (12, 6747375), (15, 5397900), (18, 4498250), (19, 4261500), (20, 4048425), (25, 3238740), (30, 2698950), (36, 2249125), (38, 2130750), (45, 1799300), (50, 1619370), (57, 1420500), (60, 1349475), (75, 1079580), (76, 1065375), (90, 899650), (95, 852300), (100, 809685), (114, 710250), (125, 647748), (150, 539790), (171, 473500), (180, 449825), (190, 426150), (225, 359860), (228, 355125), (250, 323874), (285, 284100), (300, 269895), (342, 236750), (375, 215916), (380, 213075), (450, 179930), (475, 170460), (500, 161937), (570, 142050), (684, 118375), (750, 107958), (855, 94700), (900, 89965), (947, 85500), (950, 85230), (1125, 71972), (1140, 71025), (1425, 56820), (1500, 53979), (1710, 47350), (1894, 42750), (1900, 42615), (2250, 35986), (2375, 34092), (2841, 28500), (2850, 28410), (3420, 23675), (3788, 21375), (4275, 18940), (4500, 17993), (4735, 17100), (4750, 17046), (5682, 14250), (5700, 14205), (7125, 11364), (8523, 9500), (8550, 9470)]