51870000

素因数分解:

$2^4\times 3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 400

約数和(自身を含む): 216930560

約数和(自身を除く): 165060560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 25, 26, 28, 30, 35, 38, 39, 40, 42, 48, 50, 52, 56, 57, 60, 65, 70, 75, 76, 78, 80, 84, 91, 95, 100, 104, 105, 112, 114, 120, 125, 130, 133, 140, 150, 152, 156, 168, 175, 182, 190, 195, 200, 208, 210, 228, 240, 247, 250, 260, 266, 273, 280, 285, 300, 304, 312, 325, 336, 350, 364, 375, 380, 390, 399, 400, 420, 455, 456, 475, 494, 500, 520, 525, 532, 546, 560, 570, 600, 624, 625, 650, 665, 700, 728, 741, 750, 760, 780, 798, 840, 875, 910, 912, 950, 975, 988, 1000, 1040, 1050, 1064, 1092, 1140, 1200, 1235, 1250, 1300, 1330, 1365, 1400, 1425, 1456, 1482, 1500, 1520, 1560, 1596, 1625, 1680, 1729, 1750, 1820, 1875, 1900, 1950, 1976, 1995, 2000, 2100, 2128, 2184, 2275, 2280, 2375, 2470, 2500, 2600, 2625, 2660, 2730, 2800, 2850, 2964, 3000, 3120, 3192, 3250, 3325, 3458, 3500, 3640, 3705, 3750, 3800, 3900, 3952, 3990, 4200, 4368, 4375, 4550, 4560, 4750, 4875, 4940, 5000, 5187, 5200, 5250, 5320, 5460, 5700, 5928, 6000, 6175, 6384, 6500, 6650, 6825, 6916, 7000, 7125, 7280, 7410, 7500, 7600, 7800, 7980, 8125, 8400, 8645, 8750, 9100, 9500, 9750, 9880, 9975, 10000, 10374, 10500, 10640, 10920, 11375, 11400, 11856, 11875, 12350, 13000, 13125, 13300, 13650, 13832, 14000, 14250, 14820, 15000, 15600, 15960, 16250, 16625, 17290, 17500, 18200, 18525, 19000, 19500, 19760, 19950, 20748, 21000, 21840, 22750, 22800, 23750, 24375, 24700, 25935, 26000, 26250, 26600, 27300, 27664, 28500, 29640, 30000, 30875, 31920, 32500, 33250, 34125, 34580, 35000, 35625, 36400, 37050, 38000, 39000, 39900, 41496, 42000, 43225, 45500, 47500, 48750, 49400, 49875, 51870, 52500, 53200, 54600, 56875, 57000, 59280, 61750, 65000, 66500, 68250, 69160, 70000, 71250, 74100, 78000, 79800, 82992, 83125, 86450, 91000, 92625, 95000, 97500, 98800, 99750, 103740, 105000, 109200, 113750, 114000, 123500, 129675, 130000, 133000, 136500, 138320, 142500, 148200, 154375, 159600, 166250, 170625, 172900, 182000, 185250, 190000, 195000, 199500, 207480, 210000, 216125, 227500, 247000, 249375, 259350, 266000, 273000, 285000, 296400, 308750, 332500, 341250, 345800, 370500, 390000, 399000, 414960, 432250, 455000, 463125, 494000, 498750, 518700, 546000, 570000, 617500, 648375, 665000, 682500, 691600, 741000, 798000, 864500, 910000, 926250, 997500, 1037400, 1080625, 1235000, 1296750, 1330000, 1365000, 1482000, 1729000, 1852500, 1995000, 2074800, 2161250, 2470000, 2593500, 2730000, 3241875, 3458000, 3705000, 3990000, 4322500, 5187000, 6483750, 7410000, 8645000, 10374000, 12967500, 17290000, 25935000, 51870000]

約数ペア:

[(1, 51870000), (2, 25935000), (3, 17290000), (4, 12967500), (5, 10374000), (6, 8645000), (7, 7410000), (8, 6483750), (10, 5187000), (12, 4322500), (13, 3990000), (14, 3705000), (15, 3458000), (16, 3241875), (19, 2730000), (20, 2593500), (21, 2470000), (24, 2161250), (25, 2074800), (26, 1995000), (28, 1852500), (30, 1729000), (35, 1482000), (38, 1365000), (39, 1330000), (40, 1296750), (42, 1235000), (48, 1080625), (50, 1037400), (52, 997500), (56, 926250), (57, 910000), (60, 864500), (65, 798000), (70, 741000), (75, 691600), (76, 682500), (78, 665000), (80, 648375), (84, 617500), (91, 570000), (95, 546000), (100, 518700), (104, 498750), (105, 494000), (112, 463125), (114, 455000), (120, 432250), (125, 414960), (130, 399000), (133, 390000), (140, 370500), (150, 345800), (152, 341250), (156, 332500), (168, 308750), (175, 296400), (182, 285000), (190, 273000), (195, 266000), (200, 259350), (208, 249375), (210, 247000), (228, 227500), (240, 216125), (247, 210000), (250, 207480), (260, 199500), (266, 195000), (273, 190000), (280, 185250), (285, 182000), (300, 172900), (304, 170625), (312, 166250), (325, 159600), (336, 154375), (350, 148200), (364, 142500), (375, 138320), (380, 136500), (390, 133000), (399, 130000), (400, 129675), (420, 123500), (455, 114000), (456, 113750), (475, 109200), (494, 105000), (500, 103740), (520, 99750), (525, 98800), (532, 97500), (546, 95000), (560, 92625), (570, 91000), (600, 86450), (624, 83125), (625, 82992), (650, 79800), (665, 78000), (700, 74100), (728, 71250), (741, 70000), (750, 69160), (760, 68250), (780, 66500), (798, 65000), (840, 61750), (875, 59280), (910, 57000), (912, 56875), (950, 54600), (975, 53200), (988, 52500), (1000, 51870), (1040, 49875), (1050, 49400), (1064, 48750), (1092, 47500), (1140, 45500), (1200, 43225), (1235, 42000), (1250, 41496), (1300, 39900), (1330, 39000), (1365, 38000), (1400, 37050), (1425, 36400), (1456, 35625), (1482, 35000), (1500, 34580), (1520, 34125), (1560, 33250), (1596, 32500), (1625, 31920), (1680, 30875), (1729, 30000), (1750, 29640), (1820, 28500), (1875, 27664), (1900, 27300), (1950, 26600), (1976, 26250), (1995, 26000), (2000, 25935), (2100, 24700), (2128, 24375), (2184, 23750), (2275, 22800), (2280, 22750), (2375, 21840), (2470, 21000), (2500, 20748), (2600, 19950), (2625, 19760), (2660, 19500), (2730, 19000), (2800, 18525), (2850, 18200), (2964, 17500), (3000, 17290), (3120, 16625), (3192, 16250), (3250, 15960), (3325, 15600), (3458, 15000), (3500, 14820), (3640, 14250), (3705, 14000), (3750, 13832), (3800, 13650), (3900, 13300), (3952, 13125), (3990, 13000), (4200, 12350), (4368, 11875), (4375, 11856), (4550, 11400), (4560, 11375), (4750, 10920), (4875, 10640), (4940, 10500), (5000, 10374), (5187, 10000), (5200, 9975), (5250, 9880), (5320, 9750), (5460, 9500), (5700, 9100), (5928, 8750), (6000, 8645), (6175, 8400), (6384, 8125), (6500, 7980), (6650, 7800), (6825, 7600), (6916, 7500), (7000, 7410), (7125, 7280)]