31311000

素因数分解:

$2^3\times 3^2\times 5^3\times 7^2\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 288

約数和(自身を含む): 124843680

約数和(自身を除く): 93532680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 49, 50, 56, 60, 63, 70, 71, 72, 75, 84, 90, 98, 100, 105, 120, 125, 126, 140, 142, 147, 150, 168, 175, 180, 196, 200, 210, 213, 225, 245, 250, 252, 280, 284, 294, 300, 315, 350, 355, 360, 375, 392, 420, 426, 441, 450, 490, 497, 500, 504, 525, 568, 588, 600, 630, 639, 700, 710, 735, 750, 840, 852, 875, 882, 900, 980, 994, 1000, 1050, 1065, 1125, 1176, 1225, 1260, 1278, 1400, 1420, 1470, 1491, 1500, 1575, 1704, 1750, 1764, 1775, 1800, 1960, 1988, 2100, 2130, 2205, 2250, 2450, 2485, 2520, 2556, 2625, 2840, 2940, 2982, 3000, 3150, 3195, 3479, 3500, 3528, 3550, 3675, 3976, 4200, 4260, 4410, 4473, 4500, 4900, 4970, 5112, 5250, 5325, 5880, 5964, 6125, 6300, 6390, 6958, 7000, 7100, 7350, 7455, 7875, 8520, 8820, 8875, 8946, 9000, 9800, 9940, 10437, 10500, 10650, 11025, 11928, 12250, 12425, 12600, 12780, 13916, 14200, 14700, 14910, 15750, 15975, 17395, 17640, 17750, 17892, 18375, 19880, 20874, 21000, 21300, 22050, 22365, 24500, 24850, 25560, 26625, 27832, 29400, 29820, 31311, 31500, 31950, 34790, 35500, 35784, 36750, 37275, 41748, 42600, 44100, 44730, 49000, 49700, 52185, 53250, 55125, 59640, 62125, 62622, 63000, 63900, 69580, 71000, 73500, 74550, 79875, 83496, 86975, 88200, 89460, 99400, 104370, 106500, 110250, 111825, 124250, 125244, 127800, 139160, 147000, 149100, 156555, 159750, 173950, 178920, 186375, 208740, 213000, 220500, 223650, 248500, 250488, 260925, 298200, 313110, 319500, 347900, 372750, 417480, 434875, 441000, 447300, 497000, 521850, 559125, 626220, 639000, 695800, 745500, 782775, 869750, 894600, 1043700, 1118250, 1252440, 1304625, 1491000, 1565550, 1739500, 2087400, 2236500, 2609250, 3131100, 3479000, 3913875, 4473000, 5218500, 6262200, 7827750, 10437000, 15655500, 31311000]

約数ペア:

[(1, 31311000), (2, 15655500), (3, 10437000), (4, 7827750), (5, 6262200), (6, 5218500), (7, 4473000), (8, 3913875), (9, 3479000), (10, 3131100), (12, 2609250), (14, 2236500), (15, 2087400), (18, 1739500), (20, 1565550), (21, 1491000), (24, 1304625), (25, 1252440), (28, 1118250), (30, 1043700), (35, 894600), (36, 869750), (40, 782775), (42, 745500), (45, 695800), (49, 639000), (50, 626220), (56, 559125), (60, 521850), (63, 497000), (70, 447300), (71, 441000), (72, 434875), (75, 417480), (84, 372750), (90, 347900), (98, 319500), (100, 313110), (105, 298200), (120, 260925), (125, 250488), (126, 248500), (140, 223650), (142, 220500), (147, 213000), (150, 208740), (168, 186375), (175, 178920), (180, 173950), (196, 159750), (200, 156555), (210, 149100), (213, 147000), (225, 139160), (245, 127800), (250, 125244), (252, 124250), (280, 111825), (284, 110250), (294, 106500), (300, 104370), (315, 99400), (350, 89460), (355, 88200), (360, 86975), (375, 83496), (392, 79875), (420, 74550), (426, 73500), (441, 71000), (450, 69580), (490, 63900), (497, 63000), (500, 62622), (504, 62125), (525, 59640), (568, 55125), (588, 53250), (600, 52185), (630, 49700), (639, 49000), (700, 44730), (710, 44100), (735, 42600), (750, 41748), (840, 37275), (852, 36750), (875, 35784), (882, 35500), (900, 34790), (980, 31950), (994, 31500), (1000, 31311), (1050, 29820), (1065, 29400), (1125, 27832), (1176, 26625), (1225, 25560), (1260, 24850), (1278, 24500), (1400, 22365), (1420, 22050), (1470, 21300), (1491, 21000), (1500, 20874), (1575, 19880), (1704, 18375), (1750, 17892), (1764, 17750), (1775, 17640), (1800, 17395), (1960, 15975), (1988, 15750), (2100, 14910), (2130, 14700), (2205, 14200), (2250, 13916), (2450, 12780), (2485, 12600), (2520, 12425), (2556, 12250), (2625, 11928), (2840, 11025), (2940, 10650), (2982, 10500), (3000, 10437), (3150, 9940), (3195, 9800), (3479, 9000), (3500, 8946), (3528, 8875), (3550, 8820), (3675, 8520), (3976, 7875), (4200, 7455), (4260, 7350), (4410, 7100), (4473, 7000), (4500, 6958), (4900, 6390), (4970, 6300), (5112, 6125), (5250, 5964), (5325, 5880)]