638236440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{104287}}^1$

素因数の和:104321

約数の個数: 96

約数和(自身を含む): 2196305280

約数和(自身を除く): 1558068840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 104287, 208574, 312861, 417148, 521435, 625722, 834296, 938583, 1042870, 1251444, 1564305, 1772879, 1877166, 2085740, 2502888, 3128610, 3545758, 3754332, 4171480, 4692915, 5318637, 6257220, 7091516, 7508664, 8864395, 9385830, 10637274, 12514440, 14183032, 15955911, 17728790, 18771660, 21274548, 26593185, 31911822, 35457580, 37543320, 42549096, 53186370, 63823644, 70915160, 79779555, 106372740, 127647288, 159559110, 212745480, 319118220, 638236440]

約数ペア:

[(1, 638236440), (2, 319118220), (3, 212745480), (4, 159559110), (5, 127647288), (6, 106372740), (8, 79779555), (9, 70915160), (10, 63823644), (12, 53186370), (15, 42549096), (17, 37543320), (18, 35457580), (20, 31911822), (24, 26593185), (30, 21274548), (34, 18771660), (36, 17728790), (40, 15955911), (45, 14183032), (51, 12514440), (60, 10637274), (68, 9385830), (72, 8864395), (85, 7508664), (90, 7091516), (102, 6257220), (120, 5318637), (136, 4692915), (153, 4171480), (170, 3754332), (180, 3545758), (204, 3128610), (255, 2502888), (306, 2085740), (340, 1877166), (360, 1772879), (408, 1564305), (510, 1251444), (612, 1042870), (680, 938583), (765, 834296), (1020, 625722), (1224, 521435), (1530, 417148), (2040, 312861), (3060, 208574), (6120, 104287)]