680004000

素因数分解:

$2^5\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1453}}^1$

素因数の和:1497

約数の個数: 288

約数和(自身を含む): 2600763984

約数和(自身を除く): 1920759984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 125, 130, 144, 150, 156, 160, 180, 195, 200, 208, 225, 234, 240, 250, 260, 288, 300, 312, 325, 360, 375, 390, 400, 416, 450, 468, 480, 500, 520, 585, 600, 624, 650, 720, 750, 780, 800, 900, 936, 975, 1000, 1040, 1125, 1170, 1200, 1248, 1300, 1440, 1453, 1500, 1560, 1625, 1800, 1872, 1950, 2000, 2080, 2250, 2340, 2400, 2600, 2906, 2925, 3000, 3120, 3250, 3600, 3744, 3900, 4000, 4359, 4500, 4680, 4875, 5200, 5812, 5850, 6000, 6240, 6500, 7200, 7265, 7800, 8718, 9000, 9360, 9750, 10400, 11624, 11700, 12000, 13000, 13077, 14530, 14625, 15600, 17436, 18000, 18720, 18889, 19500, 21795, 23248, 23400, 26000, 26154, 29060, 29250, 31200, 34872, 36000, 36325, 37778, 39000, 43590, 46496, 46800, 52000, 52308, 56667, 58120, 58500, 65385, 69744, 72650, 75556, 78000, 87180, 93600, 94445, 104616, 108975, 113334, 116240, 117000, 130770, 139488, 145300, 151112, 156000, 170001, 174360, 181625, 188890, 209232, 217950, 226668, 232480, 234000, 261540, 283335, 290600, 302224, 326925, 340002, 348720, 363250, 377780, 418464, 435900, 453336, 468000, 472225, 523080, 544875, 566670, 581200, 604448, 653850, 680004, 697440, 726500, 755560, 850005, 871800, 906672, 944450, 1046160, 1089750, 1133340, 1162400, 1307700, 1360008, 1416675, 1453000, 1511120, 1634625, 1700010, 1743600, 1813344, 1888900, 2092320, 2179500, 2266680, 2361125, 2615400, 2720016, 2833350, 2906000, 3022240, 3269250, 3400020, 3487200, 3777800, 4250025, 4359000, 4533360, 4722250, 5230800, 5440032, 5666700, 5812000, 6538500, 6800040, 7083375, 7555600, 8500050, 8718000, 9066720, 9444500, 10461600, 11333400, 13077000, 13600080, 14166750, 15111200, 17000100, 17436000, 18889000, 21250125, 22666800, 26154000, 27200160, 28333500, 34000200, 37778000, 42500250, 45333600, 52308000, 56667000, 68000400, 75556000, 85000500, 113334000, 136000800, 170001000, 226668000, 340002000, 680004000]

約数ペア:

[(1, 680004000), (2, 340002000), (3, 226668000), (4, 170001000), (5, 136000800), (6, 113334000), (8, 85000500), (9, 75556000), (10, 68000400), (12, 56667000), (13, 52308000), (15, 45333600), (16, 42500250), (18, 37778000), (20, 34000200), (24, 28333500), (25, 27200160), (26, 26154000), (30, 22666800), (32, 21250125), (36, 18889000), (39, 17436000), (40, 17000100), (45, 15111200), (48, 14166750), (50, 13600080), (52, 13077000), (60, 11333400), (65, 10461600), (72, 9444500), (75, 9066720), (78, 8718000), (80, 8500050), (90, 7555600), (96, 7083375), (100, 6800040), (104, 6538500), (117, 5812000), (120, 5666700), (125, 5440032), (130, 5230800), (144, 4722250), (150, 4533360), (156, 4359000), (160, 4250025), (180, 3777800), (195, 3487200), (200, 3400020), (208, 3269250), (225, 3022240), (234, 2906000), (240, 2833350), (250, 2720016), (260, 2615400), (288, 2361125), (300, 2266680), (312, 2179500), (325, 2092320), (360, 1888900), (375, 1813344), (390, 1743600), (400, 1700010), (416, 1634625), (450, 1511120), (468, 1453000), (480, 1416675), (500, 1360008), (520, 1307700), (585, 1162400), (600, 1133340), (624, 1089750), (650, 1046160), (720, 944450), (750, 906672), (780, 871800), (800, 850005), (900, 755560), (936, 726500), (975, 697440), (1000, 680004), (1040, 653850), (1125, 604448), (1170, 581200), (1200, 566670), (1248, 544875), (1300, 523080), (1440, 472225), (1453, 468000), (1500, 453336), (1560, 435900), (1625, 418464), (1800, 377780), (1872, 363250), (1950, 348720), (2000, 340002), (2080, 326925), (2250, 302224), (2340, 290600), (2400, 283335), (2600, 261540), (2906, 234000), (2925, 232480), (3000, 226668), (3120, 217950), (3250, 209232), (3600, 188890), (3744, 181625), (3900, 174360), (4000, 170001), (4359, 156000), (4500, 151112), (4680, 145300), (4875, 139488), (5200, 130770), (5812, 117000), (5850, 116240), (6000, 113334), (6240, 108975), (6500, 104616), (7200, 94445), (7265, 93600), (7800, 87180), (8718, 78000), (9000, 75556), (9360, 72650), (9750, 69744), (10400, 65385), (11624, 58500), (11700, 58120), (12000, 56667), (13000, 52308), (13077, 52000), (14530, 46800), (14625, 46496), (15600, 43590), (17436, 39000), (18000, 37778), (18720, 36325), (18889, 36000), (19500, 34872), (21795, 31200), (23248, 29250), (23400, 29060), (26000, 26154)]