254712120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:310

約数の個数: 256

約数和(自身を含む): 890265600

約数和(自身を除く): 635553480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 31, 39, 40, 46, 52, 60, 62, 65, 69, 78, 92, 93, 104, 115, 120, 124, 130, 138, 155, 156, 184, 186, 195, 229, 230, 248, 260, 276, 299, 310, 312, 345, 372, 390, 403, 458, 460, 465, 520, 552, 598, 620, 687, 690, 713, 744, 780, 806, 897, 916, 920, 930, 1145, 1196, 1209, 1240, 1374, 1380, 1426, 1495, 1560, 1612, 1794, 1832, 1860, 2015, 2139, 2290, 2392, 2418, 2748, 2760, 2852, 2977, 2990, 3224, 3435, 3565, 3588, 3720, 4030, 4278, 4485, 4580, 4836, 5267, 5496, 5704, 5954, 5980, 6045, 6870, 7099, 7130, 7176, 8060, 8556, 8931, 8970, 9160, 9269, 9672, 10534, 10695, 11908, 11960, 12090, 13740, 14198, 14260, 14885, 15801, 16120, 17112, 17862, 17940, 18538, 21068, 21297, 21390, 23816, 24180, 26335, 27480, 27807, 28396, 28520, 29770, 31602, 35495, 35724, 35880, 37076, 42136, 42594, 42780, 44655, 46345, 48360, 52670, 55614, 56792, 59540, 63204, 68471, 70990, 71448, 74152, 79005, 85188, 85560, 89310, 92287, 92690, 105340, 106485, 111228, 119080, 126408, 136942, 139035, 141980, 158010, 163277, 170376, 178620, 184574, 185380, 205413, 210680, 212970, 222456, 273884, 276861, 278070, 283960, 316020, 326554, 342355, 357240, 369148, 370760, 410826, 425940, 461435, 489831, 547768, 553722, 556140, 632040, 653108, 684710, 738296, 816385, 821652, 851880, 922870, 979662, 1027065, 1107444, 1112280, 1306216, 1369420, 1384305, 1632770, 1643304, 1845740, 1959324, 2054130, 2122601, 2214888, 2449155, 2738840, 2768610, 3265540, 3691480, 3918648, 4108260, 4245202, 4898310, 5537220, 6367803, 6531080, 8216520, 8490404, 9796620, 10613005, 11074440, 12735606, 16980808, 19593240, 21226010, 25471212, 31839015, 42452020, 50942424, 63678030, 84904040, 127356060, 254712120]

約数ペア:

[(1, 254712120), (2, 127356060), (3, 84904040), (4, 63678030), (5, 50942424), (6, 42452020), (8, 31839015), (10, 25471212), (12, 21226010), (13, 19593240), (15, 16980808), (20, 12735606), (23, 11074440), (24, 10613005), (26, 9796620), (30, 8490404), (31, 8216520), (39, 6531080), (40, 6367803), (46, 5537220), (52, 4898310), (60, 4245202), (62, 4108260), (65, 3918648), (69, 3691480), (78, 3265540), (92, 2768610), (93, 2738840), (104, 2449155), (115, 2214888), (120, 2122601), (124, 2054130), (130, 1959324), (138, 1845740), (155, 1643304), (156, 1632770), (184, 1384305), (186, 1369420), (195, 1306216), (229, 1112280), (230, 1107444), (248, 1027065), (260, 979662), (276, 922870), (299, 851880), (310, 821652), (312, 816385), (345, 738296), (372, 684710), (390, 653108), (403, 632040), (458, 556140), (460, 553722), (465, 547768), (520, 489831), (552, 461435), (598, 425940), (620, 410826), (687, 370760), (690, 369148), (713, 357240), (744, 342355), (780, 326554), (806, 316020), (897, 283960), (916, 278070), (920, 276861), (930, 273884), (1145, 222456), (1196, 212970), (1209, 210680), (1240, 205413), (1374, 185380), (1380, 184574), (1426, 178620), (1495, 170376), (1560, 163277), (1612, 158010), (1794, 141980), (1832, 139035), (1860, 136942), (2015, 126408), (2139, 119080), (2290, 111228), (2392, 106485), (2418, 105340), (2748, 92690), (2760, 92287), (2852, 89310), (2977, 85560), (2990, 85188), (3224, 79005), (3435, 74152), (3565, 71448), (3588, 70990), (3720, 68471), (4030, 63204), (4278, 59540), (4485, 56792), (4580, 55614), (4836, 52670), (5267, 48360), (5496, 46345), (5704, 44655), (5954, 42780), (5980, 42594), (6045, 42136), (6870, 37076), (7099, 35880), (7130, 35724), (7176, 35495), (8060, 31602), (8556, 29770), (8931, 28520), (8970, 28396), (9160, 27807), (9269, 27480), (9672, 26335), (10534, 24180), (10695, 23816), (11908, 21390), (11960, 21297), (12090, 21068), (13740, 18538), (14198, 17940), (14260, 17862), (14885, 17112), (15801, 16120)]