81937500

素因数分解:

$2^2\times 3^1\times 5^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 168

約数和(自身を含む): 262496640

約数和(自身を除く): 180559140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 25, 30, 38, 46, 50, 57, 60, 69, 75, 76, 92, 95, 100, 114, 115, 125, 138, 150, 190, 228, 230, 250, 276, 285, 300, 345, 375, 380, 437, 460, 475, 500, 570, 575, 625, 690, 750, 874, 950, 1140, 1150, 1250, 1311, 1380, 1425, 1500, 1725, 1748, 1875, 1900, 2185, 2300, 2375, 2500, 2622, 2850, 2875, 3125, 3450, 3750, 4370, 4750, 5244, 5700, 5750, 6250, 6555, 6900, 7125, 7500, 8625, 8740, 9375, 9500, 10925, 11500, 11875, 12500, 13110, 14250, 14375, 15625, 17250, 18750, 21850, 23750, 26220, 28500, 28750, 31250, 32775, 34500, 35625, 37500, 43125, 43700, 46875, 47500, 54625, 57500, 59375, 62500, 65550, 71250, 71875, 86250, 93750, 109250, 118750, 131100, 142500, 143750, 163875, 172500, 178125, 187500, 215625, 218500, 237500, 273125, 287500, 296875, 327750, 356250, 359375, 431250, 546250, 593750, 655500, 712500, 718750, 819375, 862500, 890625, 1078125, 1092500, 1187500, 1365625, 1437500, 1638750, 1781250, 2156250, 2731250, 3277500, 3562500, 4096875, 4312500, 5462500, 6828125, 8193750, 13656250, 16387500, 20484375, 27312500, 40968750, 81937500]

約数ペア:

[(1, 81937500), (2, 40968750), (3, 27312500), (4, 20484375), (5, 16387500), (6, 13656250), (10, 8193750), (12, 6828125), (15, 5462500), (19, 4312500), (20, 4096875), (23, 3562500), (25, 3277500), (30, 2731250), (38, 2156250), (46, 1781250), (50, 1638750), (57, 1437500), (60, 1365625), (69, 1187500), (75, 1092500), (76, 1078125), (92, 890625), (95, 862500), (100, 819375), (114, 718750), (115, 712500), (125, 655500), (138, 593750), (150, 546250), (190, 431250), (228, 359375), (230, 356250), (250, 327750), (276, 296875), (285, 287500), (300, 273125), (345, 237500), (375, 218500), (380, 215625), (437, 187500), (460, 178125), (475, 172500), (500, 163875), (570, 143750), (575, 142500), (625, 131100), (690, 118750), (750, 109250), (874, 93750), (950, 86250), (1140, 71875), (1150, 71250), (1250, 65550), (1311, 62500), (1380, 59375), (1425, 57500), (1500, 54625), (1725, 47500), (1748, 46875), (1875, 43700), (1900, 43125), (2185, 37500), (2300, 35625), (2375, 34500), (2500, 32775), (2622, 31250), (2850, 28750), (2875, 28500), (3125, 26220), (3450, 23750), (3750, 21850), (4370, 18750), (4750, 17250), (5244, 15625), (5700, 14375), (5750, 14250), (6250, 13110), (6555, 12500), (6900, 11875), (7125, 11500), (7500, 10925), (8625, 9500), (8740, 9375)]