720205992

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 240

約数和(自身を含む): 2312513280

約数和(自身を除く): 1592307288

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 27, 33, 36, 44, 46, 54, 66, 69, 72, 81, 88, 92, 99, 108, 132, 138, 162, 184, 191, 198, 207, 216, 253, 264, 276, 297, 324, 382, 396, 414, 506, 529, 552, 573, 594, 621, 648, 759, 764, 792, 828, 891, 1012, 1058, 1146, 1188, 1242, 1518, 1528, 1587, 1656, 1719, 1782, 1863, 2024, 2101, 2116, 2277, 2292, 2376, 2484, 3036, 3174, 3438, 3564, 3726, 4202, 4232, 4393, 4554, 4584, 4761, 4968, 5157, 5819, 6072, 6303, 6348, 6831, 6876, 7128, 7452, 8404, 8786, 9108, 9522, 10314, 11638, 12606, 12696, 13179, 13662, 13752, 14283, 14904, 15471, 16808, 17457, 17572, 18216, 18909, 19044, 20493, 20628, 23276, 25212, 26358, 27324, 28566, 30942, 34914, 35144, 37818, 38088, 39537, 40986, 41256, 42849, 46552, 48323, 50424, 52371, 52716, 54648, 56727, 57132, 61884, 69828, 75636, 79074, 81972, 85698, 96646, 101039, 104742, 105432, 113454, 114264, 118611, 123768, 139656, 144969, 151272, 157113, 158148, 163944, 170181, 171396, 193292, 202078, 209484, 226908, 237222, 289938, 303117, 314226, 316296, 340362, 342792, 355833, 386584, 404156, 418968, 434907, 453816, 471339, 474444, 579876, 606234, 628452, 680724, 711666, 808312, 869814, 909351, 942678, 948888, 1111429, 1159752, 1212468, 1256904, 1304721, 1361448, 1423332, 1739628, 1818702, 1885356, 2222858, 2424936, 2609442, 2728053, 2846664, 3334287, 3479256, 3637404, 3770712, 3914163, 4445716, 5218884, 5456106, 6668574, 7274808, 7828326, 8184159, 8891432, 10002861, 10437768, 10912212, 13337148, 15656652, 16368318, 20005722, 21824424, 26674296, 30008583, 31313304, 32736636, 40011444, 60017166, 65473272, 80022888, 90025749, 120034332, 180051498, 240068664, 360102996, 720205992]

約数ペア:

[(1, 720205992), (2, 360102996), (3, 240068664), (4, 180051498), (6, 120034332), (8, 90025749), (9, 80022888), (11, 65473272), (12, 60017166), (18, 40011444), (22, 32736636), (23, 31313304), (24, 30008583), (27, 26674296), (33, 21824424), (36, 20005722), (44, 16368318), (46, 15656652), (54, 13337148), (66, 10912212), (69, 10437768), (72, 10002861), (81, 8891432), (88, 8184159), (92, 7828326), (99, 7274808), (108, 6668574), (132, 5456106), (138, 5218884), (162, 4445716), (184, 3914163), (191, 3770712), (198, 3637404), (207, 3479256), (216, 3334287), (253, 2846664), (264, 2728053), (276, 2609442), (297, 2424936), (324, 2222858), (382, 1885356), (396, 1818702), (414, 1739628), (506, 1423332), (529, 1361448), (552, 1304721), (573, 1256904), (594, 1212468), (621, 1159752), (648, 1111429), (759, 948888), (764, 942678), (792, 909351), (828, 869814), (891, 808312), (1012, 711666), (1058, 680724), (1146, 628452), (1188, 606234), (1242, 579876), (1518, 474444), (1528, 471339), (1587, 453816), (1656, 434907), (1719, 418968), (1782, 404156), (1863, 386584), (2024, 355833), (2101, 342792), (2116, 340362), (2277, 316296), (2292, 314226), (2376, 303117), (2484, 289938), (3036, 237222), (3174, 226908), (3438, 209484), (3564, 202078), (3726, 193292), (4202, 171396), (4232, 170181), (4393, 163944), (4554, 158148), (4584, 157113), (4761, 151272), (4968, 144969), (5157, 139656), (5819, 123768), (6072, 118611), (6303, 114264), (6348, 113454), (6831, 105432), (6876, 104742), (7128, 101039), (7452, 96646), (8404, 85698), (8786, 81972), (9108, 79074), (9522, 75636), (10314, 69828), (11638, 61884), (12606, 57132), (12696, 56727), (13179, 54648), (13662, 52716), (13752, 52371), (14283, 50424), (14904, 48323), (15471, 46552), (16808, 42849), (17457, 41256), (17572, 40986), (18216, 39537), (18909, 38088), (19044, 37818), (20493, 35144), (20628, 34914), (23276, 30942), (25212, 28566), (26358, 27324)]