131061280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 366712920

約数和(自身を除く): 235651640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 229, 245, 280, 292, 365, 392, 458, 490, 511, 560, 584, 730, 784, 916, 980, 1022, 1120, 1145, 1168, 1460, 1568, 1603, 1832, 1960, 2044, 2290, 2336, 2555, 2920, 3206, 3577, 3664, 3920, 4088, 4580, 5110, 5840, 6412, 7154, 7328, 7840, 8015, 8176, 9160, 10220, 11221, 11680, 12824, 14308, 16030, 16352, 16717, 17885, 18320, 20440, 22442, 25648, 28616, 32060, 33434, 35770, 36640, 40880, 44884, 51296, 56105, 57232, 64120, 66868, 71540, 81760, 83585, 89768, 112210, 114464, 117019, 128240, 133736, 143080, 167170, 179536, 224420, 234038, 256480, 267472, 286160, 334340, 359072, 448840, 468076, 534944, 572320, 585095, 668680, 819133, 897680, 936152, 1170190, 1337360, 1638266, 1795360, 1872304, 2340380, 2674720, 3276532, 3744608, 4095665, 4680760, 6553064, 8191330, 9361520, 13106128, 16382660, 18723040, 26212256, 32765320, 65530640, 131061280]

約数ペア:

[(1, 131061280), (2, 65530640), (4, 32765320), (5, 26212256), (7, 18723040), (8, 16382660), (10, 13106128), (14, 9361520), (16, 8191330), (20, 6553064), (28, 4680760), (32, 4095665), (35, 3744608), (40, 3276532), (49, 2674720), (56, 2340380), (70, 1872304), (73, 1795360), (80, 1638266), (98, 1337360), (112, 1170190), (140, 936152), (146, 897680), (160, 819133), (196, 668680), (224, 585095), (229, 572320), (245, 534944), (280, 468076), (292, 448840), (365, 359072), (392, 334340), (458, 286160), (490, 267472), (511, 256480), (560, 234038), (584, 224420), (730, 179536), (784, 167170), (916, 143080), (980, 133736), (1022, 128240), (1120, 117019), (1145, 114464), (1168, 112210), (1460, 89768), (1568, 83585), (1603, 81760), (1832, 71540), (1960, 66868), (2044, 64120), (2290, 57232), (2336, 56105), (2555, 51296), (2920, 44884), (3206, 40880), (3577, 36640), (3664, 35770), (3920, 33434), (4088, 32060), (4580, 28616), (5110, 25648), (5840, 22442), (6412, 20440), (7154, 18320), (7328, 17885), (7840, 16717), (8015, 16352), (8176, 16030), (9160, 14308), (10220, 12824), (11221, 11680)]