305489520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^3\times {\mathrm{1237}}^1$

素因数の和:1277

約数の個数: 240

約数和(自身を含む): 1197393600

約数和(自身を除く): 891904080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 343, 360, 392, 420, 441, 490, 504, 560, 588, 630, 686, 720, 735, 784, 840, 882, 980, 1008, 1029, 1176, 1237, 1260, 1372, 1470, 1680, 1715, 1764, 1960, 2058, 2205, 2352, 2474, 2520, 2744, 2940, 3087, 3430, 3528, 3711, 3920, 4116, 4410, 4948, 5040, 5145, 5488, 5880, 6174, 6185, 6860, 7056, 7422, 8232, 8659, 8820, 9896, 10290, 11133, 11760, 12348, 12370, 13720, 14844, 15435, 16464, 17318, 17640, 18555, 19792, 20580, 22266, 24696, 24740, 25977, 27440, 29688, 30870, 34636, 35280, 37110, 41160, 43295, 44532, 49392, 49480, 51954, 55665, 59376, 60613, 61740, 69272, 74220, 77931, 82320, 86590, 89064, 98960, 103908, 111330, 121226, 123480, 129885, 138544, 148440, 155862, 173180, 178128, 181839, 207816, 222660, 242452, 246960, 259770, 296880, 303065, 311724, 346360, 363678, 389655, 415632, 424291, 445320, 484904, 519540, 545517, 606130, 623448, 692720, 727356, 779310, 848582, 890640, 909195, 969808, 1039080, 1091034, 1212260, 1246896, 1272873, 1454712, 1558620, 1697164, 1818390, 2078160, 2121455, 2182068, 2424520, 2545746, 2727585, 2909424, 3117240, 3394328, 3636780, 3818619, 4242910, 4364136, 4849040, 5091492, 5455170, 6234480, 6364365, 6788656, 7273560, 7637238, 8485820, 8728272, 10182984, 10910340, 12728730, 14547120, 15274476, 16971640, 19093095, 20365968, 21820680, 25457460, 30548952, 33943280, 38186190, 43641360, 50914920, 61097904, 76372380, 101829840, 152744760, 305489520]

約数ペア:

[(1, 305489520), (2, 152744760), (3, 101829840), (4, 76372380), (5, 61097904), (6, 50914920), (7, 43641360), (8, 38186190), (9, 33943280), (10, 30548952), (12, 25457460), (14, 21820680), (15, 20365968), (16, 19093095), (18, 16971640), (20, 15274476), (21, 14547120), (24, 12728730), (28, 10910340), (30, 10182984), (35, 8728272), (36, 8485820), (40, 7637238), (42, 7273560), (45, 6788656), (48, 6364365), (49, 6234480), (56, 5455170), (60, 5091492), (63, 4849040), (70, 4364136), (72, 4242910), (80, 3818619), (84, 3636780), (90, 3394328), (98, 3117240), (105, 2909424), (112, 2727585), (120, 2545746), (126, 2424520), (140, 2182068), (144, 2121455), (147, 2078160), (168, 1818390), (180, 1697164), (196, 1558620), (210, 1454712), (240, 1272873), (245, 1246896), (252, 1212260), (280, 1091034), (294, 1039080), (315, 969808), (336, 909195), (343, 890640), (360, 848582), (392, 779310), (420, 727356), (441, 692720), (490, 623448), (504, 606130), (560, 545517), (588, 519540), (630, 484904), (686, 445320), (720, 424291), (735, 415632), (784, 389655), (840, 363678), (882, 346360), (980, 311724), (1008, 303065), (1029, 296880), (1176, 259770), (1237, 246960), (1260, 242452), (1372, 222660), (1470, 207816), (1680, 181839), (1715, 178128), (1764, 173180), (1960, 155862), (2058, 148440), (2205, 138544), (2352, 129885), (2474, 123480), (2520, 121226), (2744, 111330), (2940, 103908), (3087, 98960), (3430, 89064), (3528, 86590), (3711, 82320), (3920, 77931), (4116, 74220), (4410, 69272), (4948, 61740), (5040, 60613), (5145, 59376), (5488, 55665), (5880, 51954), (6174, 49480), (6185, 49392), (6860, 44532), (7056, 43295), (7422, 41160), (8232, 37110), (8659, 35280), (8820, 34636), (9896, 30870), (10290, 29688), (11133, 27440), (11760, 25977), (12348, 24740), (12370, 24696), (13720, 22266), (14844, 20580), (15435, 19792), (16464, 18555), (17318, 17640)]