256470840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 256

約数和(自身を含む): 924048000

約数和(自身を除く): 667577160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 61, 68, 72, 85, 90, 102, 108, 120, 122, 135, 136, 153, 170, 180, 183, 204, 216, 229, 244, 255, 270, 305, 306, 340, 360, 366, 408, 458, 459, 488, 510, 540, 549, 610, 612, 680, 687, 732, 765, 915, 916, 918, 1020, 1037, 1080, 1098, 1145, 1220, 1224, 1374, 1464, 1530, 1647, 1830, 1832, 1836, 2040, 2061, 2074, 2196, 2290, 2295, 2440, 2745, 2748, 3060, 3111, 3294, 3435, 3660, 3672, 3893, 4122, 4148, 4392, 4580, 4590, 5185, 5490, 5496, 6120, 6183, 6222, 6588, 6870, 7320, 7786, 8235, 8244, 8296, 9160, 9180, 9333, 10305, 10370, 10980, 11679, 12366, 12444, 13176, 13740, 13969, 15555, 15572, 16470, 16488, 18360, 18666, 19465, 20610, 20740, 21960, 23358, 24732, 24888, 27480, 27938, 27999, 30915, 31110, 31144, 32940, 35037, 37332, 38930, 41220, 41480, 41907, 46665, 46716, 49464, 55876, 55998, 58395, 61830, 62220, 65880, 69845, 70074, 74664, 77860, 82440, 83814, 93330, 93432, 105111, 111752, 111996, 116790, 123660, 124440, 125721, 139690, 139995, 140148, 155720, 167628, 175185, 186660, 209535, 210222, 223992, 233580, 237473, 247320, 251442, 279380, 279990, 280296, 335256, 350370, 373320, 377163, 419070, 420444, 467160, 474946, 502884, 525555, 558760, 559980, 628605, 700740, 712419, 754326, 838140, 840888, 949892, 1005768, 1051110, 1119960, 1187365, 1257210, 1401480, 1424838, 1508652, 1676280, 1885815, 1899784, 2102220, 2137257, 2374730, 2514420, 2849676, 3017304, 3562095, 3771630, 4204440, 4274514, 4749460, 5028840, 5699352, 6411771, 7124190, 7543260, 8549028, 9498920, 10686285, 12823542, 14248380, 15086520, 17098056, 21372570, 25647084, 28496760, 32058855, 42745140, 51294168, 64117710, 85490280, 128235420, 256470840]

約数ペア:

[(1, 256470840), (2, 128235420), (3, 85490280), (4, 64117710), (5, 51294168), (6, 42745140), (8, 32058855), (9, 28496760), (10, 25647084), (12, 21372570), (15, 17098056), (17, 15086520), (18, 14248380), (20, 12823542), (24, 10686285), (27, 9498920), (30, 8549028), (34, 7543260), (36, 7124190), (40, 6411771), (45, 5699352), (51, 5028840), (54, 4749460), (60, 4274514), (61, 4204440), (68, 3771630), (72, 3562095), (85, 3017304), (90, 2849676), (102, 2514420), (108, 2374730), (120, 2137257), (122, 2102220), (135, 1899784), (136, 1885815), (153, 1676280), (170, 1508652), (180, 1424838), (183, 1401480), (204, 1257210), (216, 1187365), (229, 1119960), (244, 1051110), (255, 1005768), (270, 949892), (305, 840888), (306, 838140), (340, 754326), (360, 712419), (366, 700740), (408, 628605), (458, 559980), (459, 558760), (488, 525555), (510, 502884), (540, 474946), (549, 467160), (610, 420444), (612, 419070), (680, 377163), (687, 373320), (732, 350370), (765, 335256), (915, 280296), (916, 279990), (918, 279380), (1020, 251442), (1037, 247320), (1080, 237473), (1098, 233580), (1145, 223992), (1220, 210222), (1224, 209535), (1374, 186660), (1464, 175185), (1530, 167628), (1647, 155720), (1830, 140148), (1832, 139995), (1836, 139690), (2040, 125721), (2061, 124440), (2074, 123660), (2196, 116790), (2290, 111996), (2295, 111752), (2440, 105111), (2745, 93432), (2748, 93330), (3060, 83814), (3111, 82440), (3294, 77860), (3435, 74664), (3660, 70074), (3672, 69845), (3893, 65880), (4122, 62220), (4148, 61830), (4392, 58395), (4580, 55998), (4590, 55876), (5185, 49464), (5490, 46716), (5496, 46665), (6120, 41907), (6183, 41480), (6222, 41220), (6588, 38930), (6870, 37332), (7320, 35037), (7786, 32940), (8235, 31144), (8244, 31110), (8296, 30915), (9160, 27999), (9180, 27938), (9333, 27480), (10305, 24888), (10370, 24732), (10980, 23358), (11679, 21960), (12366, 20740), (12444, 20610), (13176, 19465), (13740, 18666), (13969, 18360), (15555, 16488), (15572, 16470)]