638024040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1031}}^1$

素因数の和:1245

約数の個数: 160

約数和(自身を含む): 2157788160

約数和(自身を除く): 1519764120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 191, 216, 270, 324, 360, 382, 405, 540, 573, 648, 764, 810, 955, 1031, 1080, 1146, 1528, 1620, 1719, 1910, 2062, 2292, 2865, 3093, 3240, 3438, 3820, 4124, 4584, 5155, 5157, 5730, 6186, 6876, 7640, 8248, 8595, 9279, 10310, 10314, 11460, 12372, 13752, 15465, 15471, 17190, 18558, 20620, 20628, 22920, 24744, 25785, 27837, 30930, 30942, 34380, 37116, 41240, 41256, 46395, 51570, 55674, 61860, 61884, 68760, 74232, 77355, 83511, 92790, 103140, 111348, 123720, 123768, 139185, 154710, 167022, 185580, 196921, 206280, 222696, 278370, 309420, 334044, 371160, 393842, 417555, 556740, 590763, 618840, 668088, 787684, 835110, 984605, 1113480, 1181526, 1575368, 1670220, 1772289, 1969210, 2363052, 2953815, 3340440, 3544578, 3938420, 4726104, 5316867, 5907630, 7089156, 7876840, 8861445, 10633734, 11815260, 14178312, 15950601, 17722890, 21267468, 23630520, 26584335, 31901202, 35445780, 42534936, 53168670, 63802404, 70891560, 79753005, 106337340, 127604808, 159506010, 212674680, 319012020, 638024040]

約数ペア:

[(1, 638024040), (2, 319012020), (3, 212674680), (4, 159506010), (5, 127604808), (6, 106337340), (8, 79753005), (9, 70891560), (10, 63802404), (12, 53168670), (15, 42534936), (18, 35445780), (20, 31901202), (24, 26584335), (27, 23630520), (30, 21267468), (36, 17722890), (40, 15950601), (45, 14178312), (54, 11815260), (60, 10633734), (72, 8861445), (81, 7876840), (90, 7089156), (108, 5907630), (120, 5316867), (135, 4726104), (162, 3938420), (180, 3544578), (191, 3340440), (216, 2953815), (270, 2363052), (324, 1969210), (360, 1772289), (382, 1670220), (405, 1575368), (540, 1181526), (573, 1113480), (648, 984605), (764, 835110), (810, 787684), (955, 668088), (1031, 618840), (1080, 590763), (1146, 556740), (1528, 417555), (1620, 393842), (1719, 371160), (1910, 334044), (2062, 309420), (2292, 278370), (2865, 222696), (3093, 206280), (3240, 196921), (3438, 185580), (3820, 167022), (4124, 154710), (4584, 139185), (5155, 123768), (5157, 123720), (5730, 111348), (6186, 103140), (6876, 92790), (7640, 83511), (8248, 77355), (8595, 74232), (9279, 68760), (10310, 61884), (10314, 61860), (11460, 55674), (12372, 51570), (13752, 46395), (15465, 41256), (15471, 41240), (17190, 37116), (18558, 34380), (20620, 30942), (20628, 30930), (22920, 27837), (24744, 25785)]