2564940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 8515584

約数和(自身を除く): 5950644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 197, 210, 217, 310, 372, 394, 420, 434, 465, 591, 620, 651, 788, 868, 930, 985, 1085, 1182, 1302, 1379, 1860, 1970, 2170, 2364, 2604, 2758, 2955, 3255, 3940, 4137, 4340, 5516, 5910, 6107, 6510, 6895, 8274, 11820, 12214, 13020, 13790, 16548, 18321, 20685, 24428, 27580, 30535, 36642, 41370, 42749, 61070, 73284, 82740, 85498, 91605, 122140, 128247, 170996, 183210, 213745, 256494, 366420, 427490, 512988, 641235, 854980, 1282470, 2564940]

約数ペア:

[(1, 2564940), (2, 1282470), (3, 854980), (4, 641235), (5, 512988), (6, 427490), (7, 366420), (10, 256494), (12, 213745), (14, 183210), (15, 170996), (20, 128247), (21, 122140), (28, 91605), (30, 85498), (31, 82740), (35, 73284), (42, 61070), (60, 42749), (62, 41370), (70, 36642), (84, 30535), (93, 27580), (105, 24428), (124, 20685), (140, 18321), (155, 16548), (186, 13790), (197, 13020), (210, 12214), (217, 11820), (310, 8274), (372, 6895), (394, 6510), (420, 6107), (434, 5910), (465, 5516), (591, 4340), (620, 4137), (651, 3940), (788, 3255), (868, 2955), (930, 2758), (985, 2604), (1085, 2364), (1182, 2170), (1302, 1970), (1379, 1860)]