311788080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:340

約数の個数: 240

約数和(自身を含む): 1103381760

約数和(自身を除く): 791593680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 61, 62, 72, 80, 90, 93, 120, 122, 124, 144, 155, 180, 183, 186, 229, 240, 244, 248, 279, 305, 310, 360, 366, 372, 458, 465, 488, 496, 549, 558, 610, 620, 687, 720, 732, 744, 915, 916, 930, 976, 1098, 1116, 1145, 1220, 1240, 1374, 1395, 1464, 1488, 1830, 1832, 1860, 1891, 2061, 2196, 2232, 2290, 2440, 2480, 2745, 2748, 2790, 2928, 3435, 3660, 3664, 3720, 3782, 4122, 4392, 4464, 4580, 4880, 5490, 5496, 5580, 5673, 6870, 7099, 7320, 7440, 7564, 8244, 8784, 9160, 9455, 10305, 10980, 10992, 11160, 11346, 13740, 13969, 14198, 14640, 15128, 16488, 17019, 18320, 18910, 20610, 21297, 21960, 22320, 22692, 27480, 27938, 28365, 28396, 30256, 32976, 34038, 35495, 37820, 41220, 41907, 42594, 43920, 45384, 54960, 55876, 56730, 56792, 63891, 68076, 69845, 70990, 75640, 82440, 83814, 85095, 85188, 90768, 106485, 111752, 113460, 113584, 125721, 127782, 136152, 139690, 141980, 151280, 164880, 167628, 170190, 170376, 209535, 212970, 223504, 226920, 251442, 255564, 272304, 279380, 283960, 319455, 335256, 340380, 340752, 419070, 425940, 433039, 453840, 502884, 511128, 558760, 567920, 628605, 638910, 670512, 680760, 838140, 851880, 866078, 1005768, 1022256, 1117520, 1257210, 1277820, 1299117, 1361520, 1676280, 1703760, 1732156, 2011536, 2165195, 2514420, 2555640, 2598234, 3352560, 3464312, 3897351, 4330390, 5028840, 5111280, 5196468, 6495585, 6928624, 7794702, 8660780, 10057680, 10392936, 12991170, 15589404, 17321560, 19486755, 20785872, 25982340, 31178808, 34643120, 38973510, 51964680, 62357616, 77947020, 103929360, 155894040, 311788080]

約数ペア:

[(1, 311788080), (2, 155894040), (3, 103929360), (4, 77947020), (5, 62357616), (6, 51964680), (8, 38973510), (9, 34643120), (10, 31178808), (12, 25982340), (15, 20785872), (16, 19486755), (18, 17321560), (20, 15589404), (24, 12991170), (30, 10392936), (31, 10057680), (36, 8660780), (40, 7794702), (45, 6928624), (48, 6495585), (60, 5196468), (61, 5111280), (62, 5028840), (72, 4330390), (80, 3897351), (90, 3464312), (93, 3352560), (120, 2598234), (122, 2555640), (124, 2514420), (144, 2165195), (155, 2011536), (180, 1732156), (183, 1703760), (186, 1676280), (229, 1361520), (240, 1299117), (244, 1277820), (248, 1257210), (279, 1117520), (305, 1022256), (310, 1005768), (360, 866078), (366, 851880), (372, 838140), (458, 680760), (465, 670512), (488, 638910), (496, 628605), (549, 567920), (558, 558760), (610, 511128), (620, 502884), (687, 453840), (720, 433039), (732, 425940), (744, 419070), (915, 340752), (916, 340380), (930, 335256), (976, 319455), (1098, 283960), (1116, 279380), (1145, 272304), (1220, 255564), (1240, 251442), (1374, 226920), (1395, 223504), (1464, 212970), (1488, 209535), (1830, 170376), (1832, 170190), (1860, 167628), (1891, 164880), (2061, 151280), (2196, 141980), (2232, 139690), (2290, 136152), (2440, 127782), (2480, 125721), (2745, 113584), (2748, 113460), (2790, 111752), (2928, 106485), (3435, 90768), (3660, 85188), (3664, 85095), (3720, 83814), (3782, 82440), (4122, 75640), (4392, 70990), (4464, 69845), (4580, 68076), (4880, 63891), (5490, 56792), (5496, 56730), (5580, 55876), (5673, 54960), (6870, 45384), (7099, 43920), (7320, 42594), (7440, 41907), (7564, 41220), (8244, 37820), (8784, 35495), (9160, 34038), (9455, 32976), (10305, 30256), (10980, 28396), (10992, 28365), (11160, 27938), (11346, 27480), (13740, 22692), (13969, 22320), (14198, 21960), (14640, 21297), (15128, 20610), (16488, 18910), (17019, 18320)]