206908020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1$

素因数の和:732

約数の個数: 240

約数和(自身を含む): 750835008

約数和(自身を除く): 543926988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 27, 30, 33, 34, 36, 44, 45, 51, 54, 55, 60, 66, 68, 81, 85, 90, 99, 102, 108, 110, 132, 135, 153, 162, 165, 170, 180, 187, 198, 204, 220, 255, 270, 297, 306, 324, 330, 340, 374, 396, 405, 459, 495, 510, 540, 561, 594, 612, 660, 683, 748, 765, 810, 891, 918, 935, 990, 1020, 1122, 1188, 1366, 1377, 1485, 1530, 1620, 1683, 1782, 1836, 1870, 1980, 2049, 2244, 2295, 2732, 2754, 2805, 2970, 3060, 3366, 3415, 3564, 3740, 4098, 4455, 4590, 5049, 5508, 5610, 5940, 6147, 6732, 6830, 6885, 7513, 8196, 8415, 8910, 9180, 10098, 10245, 11220, 11611, 12294, 13660, 13770, 15026, 15147, 16830, 17820, 18441, 20196, 20490, 22539, 23222, 24588, 25245, 27540, 30052, 30294, 30735, 33660, 34833, 36882, 37565, 40980, 45078, 46444, 50490, 55323, 58055, 60588, 61470, 67617, 69666, 73764, 75130, 75735, 90156, 92205, 100980, 104499, 110646, 112695, 116110, 122940, 127721, 135234, 139332, 150260, 151470, 174165, 184410, 202851, 208998, 221292, 225390, 232220, 255442, 270468, 276615, 302940, 313497, 338085, 348330, 368820, 383163, 405702, 417996, 450780, 510884, 522495, 553230, 608553, 626994, 638605, 676170, 696660, 766326, 811404, 940491, 1014255, 1044990, 1106460, 1149489, 1217106, 1253988, 1277210, 1352340, 1532652, 1567485, 1880982, 1915815, 2028510, 2089980, 2298978, 2434212, 2554420, 3042765, 3134970, 3448467, 3761964, 3831630, 4057020, 4597956, 4702455, 5747445, 6085530, 6269940, 6896934, 7663260, 9404910, 10345401, 11494890, 12171060, 13793868, 17242335, 18809820, 20690802, 22989780, 34484670, 41381604, 51727005, 68969340, 103454010, 206908020]

約数ペア:

[(1, 206908020), (2, 103454010), (3, 68969340), (4, 51727005), (5, 41381604), (6, 34484670), (9, 22989780), (10, 20690802), (11, 18809820), (12, 17242335), (15, 13793868), (17, 12171060), (18, 11494890), (20, 10345401), (22, 9404910), (27, 7663260), (30, 6896934), (33, 6269940), (34, 6085530), (36, 5747445), (44, 4702455), (45, 4597956), (51, 4057020), (54, 3831630), (55, 3761964), (60, 3448467), (66, 3134970), (68, 3042765), (81, 2554420), (85, 2434212), (90, 2298978), (99, 2089980), (102, 2028510), (108, 1915815), (110, 1880982), (132, 1567485), (135, 1532652), (153, 1352340), (162, 1277210), (165, 1253988), (170, 1217106), (180, 1149489), (187, 1106460), (198, 1044990), (204, 1014255), (220, 940491), (255, 811404), (270, 766326), (297, 696660), (306, 676170), (324, 638605), (330, 626994), (340, 608553), (374, 553230), (396, 522495), (405, 510884), (459, 450780), (495, 417996), (510, 405702), (540, 383163), (561, 368820), (594, 348330), (612, 338085), (660, 313497), (683, 302940), (748, 276615), (765, 270468), (810, 255442), (891, 232220), (918, 225390), (935, 221292), (990, 208998), (1020, 202851), (1122, 184410), (1188, 174165), (1366, 151470), (1377, 150260), (1485, 139332), (1530, 135234), (1620, 127721), (1683, 122940), (1782, 116110), (1836, 112695), (1870, 110646), (1980, 104499), (2049, 100980), (2244, 92205), (2295, 90156), (2732, 75735), (2754, 75130), (2805, 73764), (2970, 69666), (3060, 67617), (3366, 61470), (3415, 60588), (3564, 58055), (3740, 55323), (4098, 50490), (4455, 46444), (4590, 45078), (5049, 40980), (5508, 37565), (5610, 36882), (5940, 34833), (6147, 33660), (6732, 30735), (6830, 30294), (6885, 30052), (7513, 27540), (8196, 25245), (8415, 24588), (8910, 23222), (9180, 22539), (10098, 20490), (10245, 20196), (11220, 18441), (11611, 17820), (12294, 16830), (13660, 15147), (13770, 15026)]