30870420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2421

約数の個数: 96

約数和(自身を含む): 102014976

約数和(自身を除く): 71144556

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, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2371, 2604, 3255, 4340, 4742, 6510, 7113, 9484, 11855, 13020, 14226, 16597, 23710, 28452, 33194, 35565, 47420, 49791, 66388, 71130, 73501, 82985, 99582, 142260, 147002, 165970, 199164, 220503, 248955, 294004, 331940, 367505, 441006, 497910, 514507, 735010, 882012, 995820, 1029014, 1102515, 1470020, 1543521, 2058028, 2205030, 2572535, 3087042, 4410060, 5145070, 6174084, 7717605, 10290140, 15435210, 30870420]

約数ペア:

[(1, 30870420), (2, 15435210), (3, 10290140), (4, 7717605), (5, 6174084), (6, 5145070), (7, 4410060), (10, 3087042), (12, 2572535), (14, 2205030), (15, 2058028), (20, 1543521), (21, 1470020), (28, 1102515), (30, 1029014), (31, 995820), (35, 882012), (42, 735010), (60, 514507), (62, 497910), (70, 441006), (84, 367505), (93, 331940), (105, 294004), (124, 248955), (140, 220503), (155, 199164), (186, 165970), (210, 147002), (217, 142260), (310, 99582), (372, 82985), (420, 73501), (434, 71130), (465, 66388), (620, 49791), (651, 47420), (868, 35565), (930, 33194), (1085, 28452), (1302, 23710), (1860, 16597), (2170, 14226), (2371, 13020), (2604, 11855), (3255, 9484), (4340, 7113), (4742, 6510)]