209562480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 747452160

約数和(自身を除く): 537889680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 41, 45, 48, 60, 62, 72, 80, 82, 90, 93, 120, 123, 124, 144, 155, 164, 180, 186, 205, 229, 240, 246, 248, 279, 310, 328, 360, 369, 372, 410, 458, 465, 492, 496, 558, 615, 620, 656, 687, 720, 738, 744, 820, 916, 930, 984, 1116, 1145, 1230, 1240, 1271, 1374, 1395, 1476, 1488, 1640, 1832, 1845, 1860, 1968, 2061, 2232, 2290, 2460, 2480, 2542, 2748, 2790, 2952, 3280, 3435, 3664, 3690, 3720, 3813, 4122, 4464, 4580, 4920, 5084, 5496, 5580, 5904, 6355, 6870, 7099, 7380, 7440, 7626, 8244, 9160, 9389, 9840, 10168, 10305, 10992, 11160, 11439, 12710, 13740, 14198, 14760, 15252, 16488, 18320, 18778, 19065, 20336, 20610, 21297, 22320, 22878, 25420, 27480, 28167, 28396, 29520, 30504, 32976, 35495, 37556, 38130, 41220, 42594, 45756, 46945, 50840, 54960, 56334, 56792, 57195, 61008, 63891, 70990, 75112, 76260, 82440, 84501, 85188, 91512, 93890, 101680, 106485, 112668, 113584, 114390, 127782, 140835, 141980, 150224, 152520, 164880, 169002, 170376, 183024, 187780, 212970, 225336, 228780, 255564, 281670, 283960, 291059, 305040, 319455, 338004, 340752, 375560, 422505, 425940, 450672, 457560, 511128, 563340, 567920, 582118, 638910, 676008, 751120, 845010, 851880, 873177, 915120, 1022256, 1126680, 1164236, 1277820, 1352016, 1455295, 1690020, 1703760, 1746354, 2253360, 2328472, 2555640, 2619531, 2910590, 3380040, 3492708, 4365885, 4656944, 5111280, 5239062, 5821180, 6760080, 6985416, 8731770, 10478124, 11642360, 13097655, 13970832, 17463540, 20956248, 23284720, 26195310, 34927080, 41912496, 52390620, 69854160, 104781240, 209562480]

約数ペア:

[(1, 209562480), (2, 104781240), (3, 69854160), (4, 52390620), (5, 41912496), (6, 34927080), (8, 26195310), (9, 23284720), (10, 20956248), (12, 17463540), (15, 13970832), (16, 13097655), (18, 11642360), (20, 10478124), (24, 8731770), (30, 6985416), (31, 6760080), (36, 5821180), (40, 5239062), (41, 5111280), (45, 4656944), (48, 4365885), (60, 3492708), (62, 3380040), (72, 2910590), (80, 2619531), (82, 2555640), (90, 2328472), (93, 2253360), (120, 1746354), (123, 1703760), (124, 1690020), (144, 1455295), (155, 1352016), (164, 1277820), (180, 1164236), (186, 1126680), (205, 1022256), (229, 915120), (240, 873177), (246, 851880), (248, 845010), (279, 751120), (310, 676008), (328, 638910), (360, 582118), (369, 567920), (372, 563340), (410, 511128), (458, 457560), (465, 450672), (492, 425940), (496, 422505), (558, 375560), (615, 340752), (620, 338004), (656, 319455), (687, 305040), (720, 291059), (738, 283960), (744, 281670), (820, 255564), (916, 228780), (930, 225336), (984, 212970), (1116, 187780), (1145, 183024), (1230, 170376), (1240, 169002), (1271, 164880), (1374, 152520), (1395, 150224), (1476, 141980), (1488, 140835), (1640, 127782), (1832, 114390), (1845, 113584), (1860, 112668), (1968, 106485), (2061, 101680), (2232, 93890), (2290, 91512), (2460, 85188), (2480, 84501), (2542, 82440), (2748, 76260), (2790, 75112), (2952, 70990), (3280, 63891), (3435, 61008), (3664, 57195), (3690, 56792), (3720, 56334), (3813, 54960), (4122, 50840), (4464, 46945), (4580, 45756), (4920, 42594), (5084, 41220), (5496, 38130), (5580, 37556), (5904, 35495), (6355, 32976), (6870, 30504), (7099, 29520), (7380, 28396), (7440, 28167), (7626, 27480), (8244, 25420), (9160, 22878), (9389, 22320), (9840, 21297), (10168, 20610), (10305, 20336), (10992, 19065), (11160, 18778), (11439, 18320), (12710, 16488), (13740, 15252), (14198, 14760)]