51363900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 216

約数和(自身を含む): 190654464

約数和(自身を除く): 139290564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 31, 35, 36, 42, 45, 50, 60, 62, 63, 70, 75, 84, 90, 93, 100, 105, 124, 126, 140, 150, 155, 175, 180, 186, 210, 217, 225, 252, 263, 279, 300, 310, 315, 350, 372, 420, 434, 450, 465, 525, 526, 558, 620, 630, 651, 700, 775, 789, 868, 900, 930, 1050, 1052, 1085, 1116, 1260, 1302, 1315, 1395, 1550, 1575, 1578, 1841, 1860, 1953, 2100, 2170, 2325, 2367, 2604, 2630, 2790, 3100, 3150, 3156, 3255, 3682, 3906, 3945, 4340, 4650, 4734, 5260, 5425, 5523, 5580, 6300, 6510, 6575, 6975, 7364, 7812, 7890, 8153, 9205, 9300, 9468, 9765, 10850, 11046, 11835, 13020, 13150, 13950, 15780, 16275, 16306, 16569, 18410, 19530, 19725, 21700, 22092, 23670, 24459, 26300, 27615, 27900, 32550, 32612, 33138, 36820, 39060, 39450, 40765, 46025, 47340, 48825, 48918, 55230, 57071, 59175, 65100, 66276, 73377, 78900, 81530, 82845, 92050, 97650, 97836, 110460, 114142, 118350, 122295, 138075, 146754, 163060, 165690, 171213, 184100, 195300, 203825, 228284, 236700, 244590, 276150, 285355, 293508, 331380, 342426, 366885, 407650, 414225, 489180, 513639, 552300, 570710, 611475, 684852, 733770, 815300, 828450, 856065, 1027278, 1141420, 1222950, 1426775, 1467540, 1656900, 1712130, 1834425, 2054556, 2445900, 2568195, 2853550, 3424260, 3668850, 4280325, 5136390, 5707100, 7337700, 8560650, 10272780, 12840975, 17121300, 25681950, 51363900]

約数ペア:

[(1, 51363900), (2, 25681950), (3, 17121300), (4, 12840975), (5, 10272780), (6, 8560650), (7, 7337700), (9, 5707100), (10, 5136390), (12, 4280325), (14, 3668850), (15, 3424260), (18, 2853550), (20, 2568195), (21, 2445900), (25, 2054556), (28, 1834425), (30, 1712130), (31, 1656900), (35, 1467540), (36, 1426775), (42, 1222950), (45, 1141420), (50, 1027278), (60, 856065), (62, 828450), (63, 815300), (70, 733770), (75, 684852), (84, 611475), (90, 570710), (93, 552300), (100, 513639), (105, 489180), (124, 414225), (126, 407650), (140, 366885), (150, 342426), (155, 331380), (175, 293508), (180, 285355), (186, 276150), (210, 244590), (217, 236700), (225, 228284), (252, 203825), (263, 195300), (279, 184100), (300, 171213), (310, 165690), (315, 163060), (350, 146754), (372, 138075), (420, 122295), (434, 118350), (450, 114142), (465, 110460), (525, 97836), (526, 97650), (558, 92050), (620, 82845), (630, 81530), (651, 78900), (700, 73377), (775, 66276), (789, 65100), (868, 59175), (900, 57071), (930, 55230), (1050, 48918), (1052, 48825), (1085, 47340), (1116, 46025), (1260, 40765), (1302, 39450), (1315, 39060), (1395, 36820), (1550, 33138), (1575, 32612), (1578, 32550), (1841, 27900), (1860, 27615), (1953, 26300), (2100, 24459), (2170, 23670), (2325, 22092), (2367, 21700), (2604, 19725), (2630, 19530), (2790, 18410), (3100, 16569), (3150, 16306), (3156, 16275), (3255, 15780), (3682, 13950), (3906, 13150), (3945, 13020), (4340, 11835), (4650, 11046), (4734, 10850), (5260, 9765), (5425, 9468), (5523, 9300), (5580, 9205), (6300, 8153), (6510, 7890), (6575, 7812), (6975, 7364)]