1256640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:55

約数の個数: 224

約数和(自身を含む): 5266944

約数和(自身を除く): 4010304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 24, 28, 30, 32, 33, 34, 35, 40, 42, 44, 48, 51, 55, 56, 60, 64, 66, 68, 70, 77, 80, 84, 85, 88, 96, 102, 105, 110, 112, 119, 120, 132, 136, 140, 154, 160, 165, 168, 170, 176, 187, 192, 204, 210, 220, 224, 231, 238, 240, 255, 264, 272, 280, 308, 320, 330, 336, 340, 352, 357, 374, 385, 408, 420, 440, 448, 462, 476, 480, 510, 528, 544, 560, 561, 595, 616, 660, 672, 680, 704, 714, 748, 770, 816, 840, 880, 924, 935, 952, 960, 1020, 1056, 1088, 1120, 1122, 1155, 1190, 1232, 1309, 1320, 1344, 1360, 1428, 1496, 1540, 1632, 1680, 1760, 1785, 1848, 1870, 1904, 2040, 2112, 2240, 2244, 2310, 2380, 2464, 2618, 2640, 2720, 2805, 2856, 2992, 3080, 3264, 3360, 3520, 3570, 3696, 3740, 3808, 3927, 4080, 4488, 4620, 4760, 4928, 5236, 5280, 5440, 5610, 5712, 5984, 6160, 6545, 6720, 7140, 7392, 7480, 7616, 7854, 8160, 8976, 9240, 9520, 10472, 10560, 11220, 11424, 11968, 12320, 13090, 14280, 14784, 14960, 15708, 16320, 17952, 18480, 19040, 19635, 20944, 22440, 22848, 24640, 26180, 28560, 29920, 31416, 35904, 36960, 38080, 39270, 41888, 44880, 52360, 57120, 59840, 62832, 73920, 78540, 83776, 89760, 104720, 114240, 125664, 157080, 179520, 209440, 251328, 314160, 418880, 628320, 1256640]

約数ペア:

[(1, 1256640), (2, 628320), (3, 418880), (4, 314160), (5, 251328), (6, 209440), (7, 179520), (8, 157080), (10, 125664), (11, 114240), (12, 104720), (14, 89760), (15, 83776), (16, 78540), (17, 73920), (20, 62832), (21, 59840), (22, 57120), (24, 52360), (28, 44880), (30, 41888), (32, 39270), (33, 38080), (34, 36960), (35, 35904), (40, 31416), (42, 29920), (44, 28560), (48, 26180), (51, 24640), (55, 22848), (56, 22440), (60, 20944), (64, 19635), (66, 19040), (68, 18480), (70, 17952), (77, 16320), (80, 15708), (84, 14960), (85, 14784), (88, 14280), (96, 13090), (102, 12320), (105, 11968), (110, 11424), (112, 11220), (119, 10560), (120, 10472), (132, 9520), (136, 9240), (140, 8976), (154, 8160), (160, 7854), (165, 7616), (168, 7480), (170, 7392), (176, 7140), (187, 6720), (192, 6545), (204, 6160), (210, 5984), (220, 5712), (224, 5610), (231, 5440), (238, 5280), (240, 5236), (255, 4928), (264, 4760), (272, 4620), (280, 4488), (308, 4080), (320, 3927), (330, 3808), (336, 3740), (340, 3696), (352, 3570), (357, 3520), (374, 3360), (385, 3264), (408, 3080), (420, 2992), (440, 2856), (448, 2805), (462, 2720), (476, 2640), (480, 2618), (510, 2464), (528, 2380), (544, 2310), (560, 2244), (561, 2240), (595, 2112), (616, 2040), (660, 1904), (672, 1870), (680, 1848), (704, 1785), (714, 1760), (748, 1680), (770, 1632), (816, 1540), (840, 1496), (880, 1428), (924, 1360), (935, 1344), (952, 1320), (960, 1309), (1020, 1232), (1056, 1190), (1088, 1155), (1120, 1122)]