258473040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:770

約数の個数: 240

約数和(自身を含む): 963509760

約数和(自身を除く): 705036720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 709, 735, 744, 784, 840, 868, 930, 980, 1085, 1176, 1240, 1302, 1418, 1470, 1488, 1519, 1680, 1736, 1860, 1960, 2127, 2170, 2352, 2480, 2604, 2836, 2940, 3038, 3255, 3472, 3545, 3720, 3920, 4254, 4340, 4557, 4963, 5208, 5672, 5880, 6076, 6510, 7090, 7440, 7595, 8508, 8680, 9114, 9926, 10416, 10635, 11344, 11760, 12152, 13020, 14180, 14889, 15190, 17016, 17360, 18228, 19852, 21270, 21979, 22785, 24304, 24815, 26040, 28360, 29778, 30380, 34032, 34741, 36456, 39704, 42540, 43958, 45570, 49630, 52080, 56720, 59556, 60760, 65937, 69482, 72912, 74445, 79408, 85080, 87916, 91140, 99260, 104223, 109895, 119112, 121520, 131874, 138964, 148890, 153853, 170160, 173705, 175832, 182280, 198520, 208446, 219790, 238224, 263748, 277928, 297780, 307706, 329685, 347410, 351664, 364560, 397040, 416892, 439580, 461559, 521115, 527496, 555856, 595560, 615412, 659370, 694820, 769265, 833784, 879160, 923118, 1042230, 1054992, 1076971, 1191120, 1230824, 1318740, 1389640, 1538530, 1667568, 1758320, 1846236, 2084460, 2153942, 2307795, 2461648, 2637480, 2779280, 3077060, 3230913, 3692472, 4168920, 4307884, 4615590, 5274960, 5384855, 6154120, 6461826, 7384944, 8337840, 8615768, 9231180, 10769710, 12308240, 12923652, 16154565, 17231536, 18462360, 21539420, 25847304, 32309130, 36924720, 43078840, 51694608, 64618260, 86157680, 129236520, 258473040]

約数ペア:

[(1, 258473040), (2, 129236520), (3, 86157680), (4, 64618260), (5, 51694608), (6, 43078840), (7, 36924720), (8, 32309130), (10, 25847304), (12, 21539420), (14, 18462360), (15, 17231536), (16, 16154565), (20, 12923652), (21, 12308240), (24, 10769710), (28, 9231180), (30, 8615768), (31, 8337840), (35, 7384944), (40, 6461826), (42, 6154120), (48, 5384855), (49, 5274960), (56, 4615590), (60, 4307884), (62, 4168920), (70, 3692472), (80, 3230913), (84, 3077060), (93, 2779280), (98, 2637480), (105, 2461648), (112, 2307795), (120, 2153942), (124, 2084460), (140, 1846236), (147, 1758320), (155, 1667568), (168, 1538530), (186, 1389640), (196, 1318740), (210, 1230824), (217, 1191120), (240, 1076971), (245, 1054992), (248, 1042230), (280, 923118), (294, 879160), (310, 833784), (336, 769265), (372, 694820), (392, 659370), (420, 615412), (434, 595560), (465, 555856), (490, 527496), (496, 521115), (560, 461559), (588, 439580), (620, 416892), (651, 397040), (709, 364560), (735, 351664), (744, 347410), (784, 329685), (840, 307706), (868, 297780), (930, 277928), (980, 263748), (1085, 238224), (1176, 219790), (1240, 208446), (1302, 198520), (1418, 182280), (1470, 175832), (1488, 173705), (1519, 170160), (1680, 153853), (1736, 148890), (1860, 138964), (1960, 131874), (2127, 121520), (2170, 119112), (2352, 109895), (2480, 104223), (2604, 99260), (2836, 91140), (2940, 87916), (3038, 85080), (3255, 79408), (3472, 74445), (3545, 72912), (3720, 69482), (3920, 65937), (4254, 60760), (4340, 59556), (4557, 56720), (4963, 52080), (5208, 49630), (5672, 45570), (5880, 43958), (6076, 42540), (6510, 39704), (7090, 36456), (7440, 34741), (7595, 34032), (8508, 30380), (8680, 29778), (9114, 28360), (9926, 26040), (10416, 24815), (10635, 24304), (11344, 22785), (11760, 21979), (12152, 21270), (13020, 19852), (14180, 18228), (14889, 17360), (15190, 17016)]