2786280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 9953280

約数和(自身を除く): 7167000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 107, 120, 124, 140, 155, 168, 186, 210, 214, 217, 248, 280, 310, 321, 372, 420, 428, 434, 465, 535, 620, 642, 651, 744, 749, 840, 856, 868, 930, 1070, 1085, 1240, 1284, 1302, 1498, 1605, 1736, 1860, 2140, 2170, 2247, 2568, 2604, 2996, 3210, 3255, 3317, 3720, 3745, 4280, 4340, 4494, 5208, 5992, 6420, 6510, 6634, 7490, 8680, 8988, 9951, 11235, 12840, 13020, 13268, 14980, 16585, 17976, 19902, 22470, 23219, 26040, 26536, 29960, 33170, 39804, 44940, 46438, 49755, 66340, 69657, 79608, 89880, 92876, 99510, 116095, 132680, 139314, 185752, 199020, 232190, 278628, 348285, 398040, 464380, 557256, 696570, 928760, 1393140, 2786280]

約数ペア:

[(1, 2786280), (2, 1393140), (3, 928760), (4, 696570), (5, 557256), (6, 464380), (7, 398040), (8, 348285), (10, 278628), (12, 232190), (14, 199020), (15, 185752), (20, 139314), (21, 132680), (24, 116095), (28, 99510), (30, 92876), (31, 89880), (35, 79608), (40, 69657), (42, 66340), (56, 49755), (60, 46438), (62, 44940), (70, 39804), (84, 33170), (93, 29960), (105, 26536), (107, 26040), (120, 23219), (124, 22470), (140, 19902), (155, 17976), (168, 16585), (186, 14980), (210, 13268), (214, 13020), (217, 12840), (248, 11235), (280, 9951), (310, 8988), (321, 8680), (372, 7490), (420, 6634), (428, 6510), (434, 6420), (465, 5992), (535, 5208), (620, 4494), (642, 4340), (651, 4280), (744, 3745), (749, 3720), (840, 3317), (856, 3255), (868, 3210), (930, 2996), (1070, 2604), (1085, 2568), (1240, 2247), (1284, 2170), (1302, 2140), (1498, 1860), (1605, 1736)]