81701640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1787}}^1$

素因数の和:1931

約数の個数: 96

約数和(自身を含む): 267770880

約数和(自身を除く): 186069240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 127, 180, 254, 360, 381, 508, 635, 762, 1016, 1143, 1270, 1524, 1787, 1905, 2286, 2540, 3048, 3574, 3810, 4572, 5080, 5361, 5715, 7148, 7620, 8935, 9144, 10722, 11430, 14296, 15240, 16083, 17870, 21444, 22860, 26805, 32166, 35740, 42888, 45720, 53610, 64332, 71480, 80415, 107220, 128664, 160830, 214440, 226949, 321660, 453898, 643320, 680847, 907796, 1134745, 1361694, 1815592, 2042541, 2269490, 2723388, 3404235, 4085082, 4538980, 5446776, 6808470, 8170164, 9077960, 10212705, 13616940, 16340328, 20425410, 27233880, 40850820, 81701640]

約数ペア:

[(1, 81701640), (2, 40850820), (3, 27233880), (4, 20425410), (5, 16340328), (6, 13616940), (8, 10212705), (9, 9077960), (10, 8170164), (12, 6808470), (15, 5446776), (18, 4538980), (20, 4085082), (24, 3404235), (30, 2723388), (36, 2269490), (40, 2042541), (45, 1815592), (60, 1361694), (72, 1134745), (90, 907796), (120, 680847), (127, 643320), (180, 453898), (254, 321660), (360, 226949), (381, 214440), (508, 160830), (635, 128664), (762, 107220), (1016, 80415), (1143, 71480), (1270, 64332), (1524, 53610), (1787, 45720), (1905, 42888), (2286, 35740), (2540, 32166), (3048, 26805), (3574, 22860), (3810, 21444), (4572, 17870), (5080, 16083), (5361, 15240), (5715, 14296), (7148, 11430), (7620, 10722), (8935, 9144)]