258750000

素因数分解:

$2^4\times 3^2\times 5^7\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 240

約数和(自身を含む): 944528832

約数和(自身を除く): 685778832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 48, 50, 60, 69, 72, 75, 80, 90, 92, 100, 115, 120, 125, 138, 144, 150, 180, 184, 200, 207, 225, 230, 240, 250, 276, 300, 345, 360, 368, 375, 400, 414, 450, 460, 500, 552, 575, 600, 625, 690, 720, 750, 828, 900, 920, 1000, 1035, 1104, 1125, 1150, 1200, 1250, 1380, 1500, 1656, 1725, 1800, 1840, 1875, 2000, 2070, 2250, 2300, 2500, 2760, 2875, 3000, 3125, 3312, 3450, 3600, 3750, 4140, 4500, 4600, 5000, 5175, 5520, 5625, 5750, 6000, 6250, 6900, 7500, 8280, 8625, 9000, 9200, 9375, 10000, 10350, 11250, 11500, 12500, 13800, 14375, 15000, 15625, 16560, 17250, 18000, 18750, 20700, 22500, 23000, 25000, 25875, 27600, 28125, 28750, 30000, 31250, 34500, 37500, 41400, 43125, 45000, 46000, 46875, 50000, 51750, 56250, 57500, 62500, 69000, 71875, 75000, 78125, 82800, 86250, 90000, 93750, 103500, 112500, 115000, 125000, 129375, 138000, 140625, 143750, 150000, 156250, 172500, 187500, 207000, 215625, 225000, 230000, 234375, 250000, 258750, 281250, 287500, 312500, 345000, 359375, 375000, 414000, 431250, 450000, 468750, 517500, 562500, 575000, 625000, 646875, 690000, 703125, 718750, 750000, 862500, 937500, 1035000, 1078125, 1125000, 1150000, 1250000, 1293750, 1406250, 1437500, 1725000, 1796875, 1875000, 2070000, 2156250, 2250000, 2587500, 2812500, 2875000, 3234375, 3450000, 3593750, 3750000, 4312500, 5175000, 5390625, 5625000, 5750000, 6468750, 7187500, 8625000, 10350000, 10781250, 11250000, 12937500, 14375000, 16171875, 17250000, 21562500, 25875000, 28750000, 32343750, 43125000, 51750000, 64687500, 86250000, 129375000, 258750000]

約数ペア:

[(1, 258750000), (2, 129375000), (3, 86250000), (4, 64687500), (5, 51750000), (6, 43125000), (8, 32343750), (9, 28750000), (10, 25875000), (12, 21562500), (15, 17250000), (16, 16171875), (18, 14375000), (20, 12937500), (23, 11250000), (24, 10781250), (25, 10350000), (30, 8625000), (36, 7187500), (40, 6468750), (45, 5750000), (46, 5625000), (48, 5390625), (50, 5175000), (60, 4312500), (69, 3750000), (72, 3593750), (75, 3450000), (80, 3234375), (90, 2875000), (92, 2812500), (100, 2587500), (115, 2250000), (120, 2156250), (125, 2070000), (138, 1875000), (144, 1796875), (150, 1725000), (180, 1437500), (184, 1406250), (200, 1293750), (207, 1250000), (225, 1150000), (230, 1125000), (240, 1078125), (250, 1035000), (276, 937500), (300, 862500), (345, 750000), (360, 718750), (368, 703125), (375, 690000), (400, 646875), (414, 625000), (450, 575000), (460, 562500), (500, 517500), (552, 468750), (575, 450000), (600, 431250), (625, 414000), (690, 375000), (720, 359375), (750, 345000), (828, 312500), (900, 287500), (920, 281250), (1000, 258750), (1035, 250000), (1104, 234375), (1125, 230000), (1150, 225000), (1200, 215625), (1250, 207000), (1380, 187500), (1500, 172500), (1656, 156250), (1725, 150000), (1800, 143750), (1840, 140625), (1875, 138000), (2000, 129375), (2070, 125000), (2250, 115000), (2300, 112500), (2500, 103500), (2760, 93750), (2875, 90000), (3000, 86250), (3125, 82800), (3312, 78125), (3450, 75000), (3600, 71875), (3750, 69000), (4140, 62500), (4500, 57500), (4600, 56250), (5000, 51750), (5175, 50000), (5520, 46875), (5625, 46000), (5750, 45000), (6000, 43125), (6250, 41400), (6900, 37500), (7500, 34500), (8280, 31250), (8625, 30000), (9000, 28750), (9200, 28125), (9375, 27600), (10000, 25875), (10350, 25000), (11250, 23000), (11500, 22500), (12500, 20700), (13800, 18750), (14375, 18000), (15000, 17250), (15625, 16560)]