31458000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^2\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 240

約数和(自身を含む): 119081664

約数和(自身を除く): 87623664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 98, 100, 105, 107, 112, 120, 125, 140, 147, 150, 168, 175, 196, 200, 210, 214, 240, 245, 250, 280, 294, 300, 321, 336, 350, 375, 392, 400, 420, 428, 490, 500, 525, 535, 560, 588, 600, 642, 700, 735, 749, 750, 784, 840, 856, 875, 980, 1000, 1050, 1070, 1176, 1200, 1225, 1284, 1400, 1470, 1498, 1500, 1605, 1680, 1712, 1750, 1960, 2000, 2100, 2140, 2247, 2352, 2450, 2568, 2625, 2675, 2800, 2940, 2996, 3000, 3210, 3500, 3675, 3745, 3920, 4200, 4280, 4494, 4900, 5136, 5243, 5250, 5350, 5880, 5992, 6000, 6125, 6420, 7000, 7350, 7490, 8025, 8400, 8560, 8988, 9800, 10486, 10500, 10700, 11235, 11760, 11984, 12250, 12840, 13375, 14000, 14700, 14980, 15729, 16050, 17976, 18375, 18725, 19600, 20972, 21000, 21400, 22470, 24500, 25680, 26215, 26750, 29400, 29960, 31458, 32100, 35952, 36750, 37450, 40125, 41944, 42000, 42800, 44940, 49000, 52430, 53500, 56175, 58800, 59920, 62916, 64200, 73500, 74900, 78645, 80250, 83888, 89880, 93625, 98000, 104860, 107000, 112350, 125832, 128400, 131075, 147000, 149800, 157290, 160500, 179760, 187250, 209720, 214000, 224700, 251664, 262150, 280875, 294000, 299600, 314580, 321000, 374500, 393225, 419440, 449400, 524300, 561750, 629160, 642000, 655375, 749000, 786450, 898800, 1048600, 1123500, 1258320, 1310750, 1498000, 1572900, 1966125, 2097200, 2247000, 2621500, 3145800, 3932250, 4494000, 5243000, 6291600, 7864500, 10486000, 15729000, 31458000]

約数ペア:

[(1, 31458000), (2, 15729000), (3, 10486000), (4, 7864500), (5, 6291600), (6, 5243000), (7, 4494000), (8, 3932250), (10, 3145800), (12, 2621500), (14, 2247000), (15, 2097200), (16, 1966125), (20, 1572900), (21, 1498000), (24, 1310750), (25, 1258320), (28, 1123500), (30, 1048600), (35, 898800), (40, 786450), (42, 749000), (48, 655375), (49, 642000), (50, 629160), (56, 561750), (60, 524300), (70, 449400), (75, 419440), (80, 393225), (84, 374500), (98, 321000), (100, 314580), (105, 299600), (107, 294000), (112, 280875), (120, 262150), (125, 251664), (140, 224700), (147, 214000), (150, 209720), (168, 187250), (175, 179760), (196, 160500), (200, 157290), (210, 149800), (214, 147000), (240, 131075), (245, 128400), (250, 125832), (280, 112350), (294, 107000), (300, 104860), (321, 98000), (336, 93625), (350, 89880), (375, 83888), (392, 80250), (400, 78645), (420, 74900), (428, 73500), (490, 64200), (500, 62916), (525, 59920), (535, 58800), (560, 56175), (588, 53500), (600, 52430), (642, 49000), (700, 44940), (735, 42800), (749, 42000), (750, 41944), (784, 40125), (840, 37450), (856, 36750), (875, 35952), (980, 32100), (1000, 31458), (1050, 29960), (1070, 29400), (1176, 26750), (1200, 26215), (1225, 25680), (1284, 24500), (1400, 22470), (1470, 21400), (1498, 21000), (1500, 20972), (1605, 19600), (1680, 18725), (1712, 18375), (1750, 17976), (1960, 16050), (2000, 15729), (2100, 14980), (2140, 14700), (2247, 14000), (2352, 13375), (2450, 12840), (2568, 12250), (2625, 11984), (2675, 11760), (2800, 11235), (2940, 10700), (2996, 10500), (3000, 10486), (3210, 9800), (3500, 8988), (3675, 8560), (3745, 8400), (3920, 8025), (4200, 7490), (4280, 7350), (4494, 7000), (4900, 6420), (5136, 6125), (5243, 6000), (5250, 5992), (5350, 5880)]