641250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{19}}^1$

素因数の和:50

約数の個数: 80

約数和(自身を含む): 1874400

約数和(自身を除く): 1233150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 90, 95, 114, 125, 135, 150, 171, 190, 225, 250, 270, 285, 342, 375, 450, 475, 513, 570, 625, 675, 750, 855, 950, 1026, 1125, 1250, 1350, 1425, 1710, 1875, 2250, 2375, 2565, 2850, 3375, 3750, 4275, 4750, 5130, 5625, 6750, 7125, 8550, 11250, 11875, 12825, 14250, 16875, 21375, 23750, 25650, 33750, 35625, 42750, 64125, 71250, 106875, 128250, 213750, 320625, 641250]

約数ペア:

[(1, 641250), (2, 320625), (3, 213750), (5, 128250), (6, 106875), (9, 71250), (10, 64125), (15, 42750), (18, 35625), (19, 33750), (25, 25650), (27, 23750), (30, 21375), (38, 16875), (45, 14250), (50, 12825), (54, 11875), (57, 11250), (75, 8550), (90, 7125), (95, 6750), (114, 5625), (125, 5130), (135, 4750), (150, 4275), (171, 3750), (190, 3375), (225, 2850), (250, 2565), (270, 2375), (285, 2250), (342, 1875), (375, 1710), (450, 1425), (475, 1350), (513, 1250), (570, 1125), (625, 1026), (675, 950), (750, 855)]