180970720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:633

約数の個数: 144

約数和(自身を含む): 510381648

約数和(自身を除く): 329410928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 328, 392, 410, 490, 560, 563, 574, 656, 784, 820, 980, 1120, 1126, 1148, 1312, 1435, 1568, 1640, 1960, 2009, 2252, 2296, 2815, 2870, 3280, 3920, 3941, 4018, 4504, 4592, 5630, 5740, 6560, 7840, 7882, 8036, 9008, 9184, 10045, 11260, 11480, 15764, 16072, 18016, 19705, 20090, 22520, 22960, 23083, 27587, 31528, 32144, 39410, 40180, 45040, 45920, 46166, 55174, 63056, 64288, 78820, 80360, 90080, 92332, 110348, 115415, 126112, 137935, 157640, 160720, 161581, 184664, 220696, 230830, 275870, 315280, 321440, 323162, 369328, 441392, 461660, 551740, 630560, 646324, 738656, 807905, 882784, 923320, 1103480, 1131067, 1292648, 1615810, 1846640, 2206960, 2262134, 2585296, 3231620, 3693280, 4413920, 4524268, 5170592, 5655335, 6463240, 9048536, 11310670, 12926480, 18097072, 22621340, 25852960, 36194144, 45242680, 90485360, 180970720]

約数ペア:

[(1, 180970720), (2, 90485360), (4, 45242680), (5, 36194144), (7, 25852960), (8, 22621340), (10, 18097072), (14, 12926480), (16, 11310670), (20, 9048536), (28, 6463240), (32, 5655335), (35, 5170592), (40, 4524268), (41, 4413920), (49, 3693280), (56, 3231620), (70, 2585296), (80, 2262134), (82, 2206960), (98, 1846640), (112, 1615810), (140, 1292648), (160, 1131067), (164, 1103480), (196, 923320), (205, 882784), (224, 807905), (245, 738656), (280, 646324), (287, 630560), (328, 551740), (392, 461660), (410, 441392), (490, 369328), (560, 323162), (563, 321440), (574, 315280), (656, 275870), (784, 230830), (820, 220696), (980, 184664), (1120, 161581), (1126, 160720), (1148, 157640), (1312, 137935), (1435, 126112), (1568, 115415), (1640, 110348), (1960, 92332), (2009, 90080), (2252, 80360), (2296, 78820), (2815, 64288), (2870, 63056), (3280, 55174), (3920, 46166), (3941, 45920), (4018, 45040), (4504, 40180), (4592, 39410), (5630, 32144), (5740, 31528), (6560, 27587), (7840, 23083), (7882, 22960), (8036, 22520), (9008, 20090), (9184, 19705), (10045, 18016), (11260, 16072), (11480, 15764)]