311650020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 216

約数和(自身を含む): 1067484600

約数和(自身を除く): 755834580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 41, 44, 45, 55, 60, 66, 82, 90, 99, 110, 121, 123, 132, 164, 165, 180, 198, 205, 220, 242, 246, 330, 349, 363, 369, 396, 410, 451, 484, 492, 495, 605, 615, 660, 698, 726, 738, 820, 902, 990, 1047, 1089, 1210, 1230, 1353, 1396, 1452, 1476, 1745, 1804, 1815, 1845, 1980, 2094, 2178, 2255, 2420, 2460, 2706, 3141, 3490, 3630, 3690, 3839, 4059, 4188, 4356, 4510, 4961, 5235, 5412, 5445, 6282, 6765, 6980, 7260, 7380, 7678, 8118, 9020, 9922, 10470, 10890, 11517, 12564, 13530, 14309, 14883, 15356, 15705, 16236, 19195, 19844, 20295, 20940, 21780, 23034, 24805, 27060, 28618, 29766, 31410, 34551, 38390, 40590, 42229, 42927, 44649, 46068, 49610, 57236, 57585, 59532, 62820, 69102, 71545, 74415, 76780, 81180, 84458, 85854, 89298, 99220, 115170, 126687, 128781, 138204, 143090, 148830, 157399, 168916, 171708, 172755, 178596, 211145, 214635, 223245, 230340, 253374, 257562, 286180, 297660, 314798, 345510, 380061, 422290, 429270, 446490, 472197, 506748, 515124, 629596, 633435, 643905, 691020, 760122, 786995, 844580, 858540, 892980, 944394, 1266870, 1287810, 1416591, 1520244, 1573990, 1731389, 1888788, 1900305, 2360985, 2533740, 2575620, 2833182, 3147980, 3462778, 3800610, 4721970, 5194167, 5666364, 6925556, 7082955, 7601220, 8656945, 9443940, 10388334, 14165910, 15582501, 17313890, 20776668, 25970835, 28331820, 31165002, 34627780, 51941670, 62330004, 77912505, 103883340, 155825010, 311650020]

約数ペア:

[(1, 311650020), (2, 155825010), (3, 103883340), (4, 77912505), (5, 62330004), (6, 51941670), (9, 34627780), (10, 31165002), (11, 28331820), (12, 25970835), (15, 20776668), (18, 17313890), (20, 15582501), (22, 14165910), (30, 10388334), (33, 9443940), (36, 8656945), (41, 7601220), (44, 7082955), (45, 6925556), (55, 5666364), (60, 5194167), (66, 4721970), (82, 3800610), (90, 3462778), (99, 3147980), (110, 2833182), (121, 2575620), (123, 2533740), (132, 2360985), (164, 1900305), (165, 1888788), (180, 1731389), (198, 1573990), (205, 1520244), (220, 1416591), (242, 1287810), (246, 1266870), (330, 944394), (349, 892980), (363, 858540), (369, 844580), (396, 786995), (410, 760122), (451, 691020), (484, 643905), (492, 633435), (495, 629596), (605, 515124), (615, 506748), (660, 472197), (698, 446490), (726, 429270), (738, 422290), (820, 380061), (902, 345510), (990, 314798), (1047, 297660), (1089, 286180), (1210, 257562), (1230, 253374), (1353, 230340), (1396, 223245), (1452, 214635), (1476, 211145), (1745, 178596), (1804, 172755), (1815, 171708), (1845, 168916), (1980, 157399), (2094, 148830), (2178, 143090), (2255, 138204), (2420, 128781), (2460, 126687), (2706, 115170), (3141, 99220), (3490, 89298), (3630, 85854), (3690, 84458), (3839, 81180), (4059, 76780), (4188, 74415), (4356, 71545), (4510, 69102), (4961, 62820), (5235, 59532), (5412, 57585), (5445, 57236), (6282, 49610), (6765, 46068), (6980, 44649), (7260, 42927), (7380, 42229), (7678, 40590), (8118, 38390), (9020, 34551), (9922, 31410), (10470, 29766), (10890, 28618), (11517, 27060), (12564, 24805), (13530, 23034), (14309, 21780), (14883, 20940), (15356, 20295), (15705, 19844), (16236, 19195)]