265260520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 775656000

約数和(自身を除く): 510395480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 49, 56, 68, 70, 76, 85, 95, 98, 119, 133, 136, 140, 152, 170, 190, 196, 238, 245, 266, 280, 323, 340, 380, 392, 419, 476, 490, 532, 595, 646, 665, 680, 760, 833, 838, 931, 952, 980, 1064, 1190, 1292, 1330, 1615, 1666, 1676, 1862, 1960, 2095, 2261, 2380, 2584, 2660, 2933, 3230, 3332, 3352, 3724, 4165, 4190, 4522, 4655, 4760, 5320, 5866, 6460, 6664, 7123, 7448, 7961, 8330, 8380, 9044, 9310, 11305, 11732, 12920, 14246, 14665, 15827, 15922, 16660, 16760, 18088, 18620, 20531, 22610, 23464, 28492, 29330, 31654, 31844, 33320, 35615, 37240, 39805, 41062, 45220, 49861, 55727, 56984, 58660, 63308, 63688, 71230, 79135, 79610, 82124, 90440, 99722, 102655, 111454, 117320, 126616, 135337, 142460, 158270, 159220, 164248, 199444, 205310, 222908, 249305, 270674, 278635, 284920, 316540, 318440, 349027, 390089, 398888, 410620, 445816, 498610, 541348, 557270, 633080, 676685, 698054, 780178, 821240, 947359, 997220, 1082696, 1114540, 1353370, 1396108, 1560356, 1745135, 1894718, 1950445, 1994440, 2229080, 2706740, 2792216, 3120712, 3490270, 3789436, 3900890, 4736795, 5413480, 6631513, 6980540, 7578872, 7801780, 9473590, 13263026, 13961080, 15603560, 18947180, 26526052, 33157565, 37894360, 53052104, 66315130, 132630260, 265260520]

約数ペア:

[(1, 265260520), (2, 132630260), (4, 66315130), (5, 53052104), (7, 37894360), (8, 33157565), (10, 26526052), (14, 18947180), (17, 15603560), (19, 13961080), (20, 13263026), (28, 9473590), (34, 7801780), (35, 7578872), (38, 6980540), (40, 6631513), (49, 5413480), (56, 4736795), (68, 3900890), (70, 3789436), (76, 3490270), (85, 3120712), (95, 2792216), (98, 2706740), (119, 2229080), (133, 1994440), (136, 1950445), (140, 1894718), (152, 1745135), (170, 1560356), (190, 1396108), (196, 1353370), (238, 1114540), (245, 1082696), (266, 997220), (280, 947359), (323, 821240), (340, 780178), (380, 698054), (392, 676685), (419, 633080), (476, 557270), (490, 541348), (532, 498610), (595, 445816), (646, 410620), (665, 398888), (680, 390089), (760, 349027), (833, 318440), (838, 316540), (931, 284920), (952, 278635), (980, 270674), (1064, 249305), (1190, 222908), (1292, 205310), (1330, 199444), (1615, 164248), (1666, 159220), (1676, 158270), (1862, 142460), (1960, 135337), (2095, 126616), (2261, 117320), (2380, 111454), (2584, 102655), (2660, 99722), (2933, 90440), (3230, 82124), (3332, 79610), (3352, 79135), (3724, 71230), (4165, 63688), (4190, 63308), (4522, 58660), (4655, 56984), (4760, 55727), (5320, 49861), (5866, 45220), (6460, 41062), (6664, 39805), (7123, 37240), (7448, 35615), (7961, 33320), (8330, 31844), (8380, 31654), (9044, 29330), (9310, 28492), (11305, 23464), (11732, 22610), (12920, 20531), (14246, 18620), (14665, 18088), (15827, 16760), (15922, 16660)]