68250000

素因数分解:

$2^4\times 3^1\times 5^6\times 7^1\times {\mathrm{13}}^1$

素因数の和:61

約数の個数: 280

約数和(自身を含む): 271246528

約数和(自身を除く): 202996528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 125, 130, 140, 150, 156, 168, 175, 182, 195, 200, 208, 210, 240, 250, 260, 273, 280, 300, 312, 325, 336, 350, 364, 375, 390, 400, 420, 455, 500, 520, 525, 546, 560, 600, 624, 625, 650, 700, 728, 750, 780, 840, 875, 910, 975, 1000, 1040, 1050, 1092, 1200, 1250, 1300, 1365, 1400, 1456, 1500, 1560, 1625, 1680, 1750, 1820, 1875, 1950, 2000, 2100, 2184, 2275, 2500, 2600, 2625, 2730, 2800, 3000, 3120, 3125, 3250, 3500, 3640, 3750, 3900, 4200, 4368, 4375, 4550, 4875, 5000, 5200, 5250, 5460, 6000, 6250, 6500, 6825, 7000, 7280, 7500, 7800, 8125, 8400, 8750, 9100, 9375, 9750, 10000, 10500, 10920, 11375, 12500, 13000, 13125, 13650, 14000, 15000, 15600, 15625, 16250, 17500, 18200, 18750, 19500, 21000, 21840, 21875, 22750, 24375, 25000, 26000, 26250, 27300, 30000, 31250, 32500, 34125, 35000, 36400, 37500, 39000, 40625, 42000, 43750, 45500, 46875, 48750, 50000, 52500, 54600, 56875, 62500, 65000, 65625, 68250, 70000, 75000, 78000, 81250, 87500, 91000, 93750, 97500, 105000, 109200, 109375, 113750, 121875, 125000, 130000, 131250, 136500, 150000, 162500, 170625, 175000, 182000, 187500, 195000, 203125, 210000, 218750, 227500, 243750, 250000, 262500, 273000, 284375, 325000, 328125, 341250, 350000, 375000, 390000, 406250, 437500, 455000, 487500, 525000, 546000, 568750, 609375, 650000, 656250, 682500, 750000, 812500, 853125, 875000, 910000, 975000, 1050000, 1137500, 1218750, 1312500, 1365000, 1421875, 1625000, 1706250, 1750000, 1950000, 2275000, 2437500, 2625000, 2730000, 2843750, 3250000, 3412500, 4265625, 4550000, 4875000, 5250000, 5687500, 6825000, 8531250, 9750000, 11375000, 13650000, 17062500, 22750000, 34125000, 68250000]

約数ペア:

[(1, 68250000), (2, 34125000), (3, 22750000), (4, 17062500), (5, 13650000), (6, 11375000), (7, 9750000), (8, 8531250), (10, 6825000), (12, 5687500), (13, 5250000), (14, 4875000), (15, 4550000), (16, 4265625), (20, 3412500), (21, 3250000), (24, 2843750), (25, 2730000), (26, 2625000), (28, 2437500), (30, 2275000), (35, 1950000), (39, 1750000), (40, 1706250), (42, 1625000), (48, 1421875), (50, 1365000), (52, 1312500), (56, 1218750), (60, 1137500), (65, 1050000), (70, 975000), (75, 910000), (78, 875000), (80, 853125), (84, 812500), (91, 750000), (100, 682500), (104, 656250), (105, 650000), (112, 609375), (120, 568750), (125, 546000), (130, 525000), (140, 487500), (150, 455000), (156, 437500), (168, 406250), (175, 390000), (182, 375000), (195, 350000), (200, 341250), (208, 328125), (210, 325000), (240, 284375), (250, 273000), (260, 262500), (273, 250000), (280, 243750), (300, 227500), (312, 218750), (325, 210000), (336, 203125), (350, 195000), (364, 187500), (375, 182000), (390, 175000), (400, 170625), (420, 162500), (455, 150000), (500, 136500), (520, 131250), (525, 130000), (546, 125000), (560, 121875), (600, 113750), (624, 109375), (625, 109200), (650, 105000), (700, 97500), (728, 93750), (750, 91000), (780, 87500), (840, 81250), (875, 78000), (910, 75000), (975, 70000), (1000, 68250), (1040, 65625), (1050, 65000), (1092, 62500), (1200, 56875), (1250, 54600), (1300, 52500), (1365, 50000), (1400, 48750), (1456, 46875), (1500, 45500), (1560, 43750), (1625, 42000), (1680, 40625), (1750, 39000), (1820, 37500), (1875, 36400), (1950, 35000), (2000, 34125), (2100, 32500), (2184, 31250), (2275, 30000), (2500, 27300), (2600, 26250), (2625, 26000), (2730, 25000), (2800, 24375), (3000, 22750), (3120, 21875), (3125, 21840), (3250, 21000), (3500, 19500), (3640, 18750), (3750, 18200), (3900, 17500), (4200, 16250), (4368, 15625), (4375, 15600), (4550, 15000), (4875, 14000), (5000, 13650), (5200, 13125), (5250, 13000), (5460, 12500), (6000, 11375), (6250, 10920), (6500, 10500), (6825, 10000), (7000, 9750), (7280, 9375), (7500, 9100), (7800, 8750), (8125, 8400)]