1385521280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15139}}^1$

素因数の和:15182

約数の個数: 128

約数和(自身を含む): 3891585600

約数和(自身を除く): 2506064320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 880, 1040, 1144, 1408, 1430, 1664, 1760, 2080, 2288, 2860, 3520, 4160, 4576, 5720, 7040, 8320, 9152, 11440, 15139, 18304, 22880, 30278, 45760, 60556, 75695, 91520, 121112, 151390, 166529, 196807, 242224, 302780, 333058, 393614, 484448, 605560, 666116, 787228, 832645, 968896, 984035, 1211120, 1332232, 1574456, 1665290, 1937792, 1968070, 2164877, 2422240, 2664464, 3148912, 3330580, 3936140, 4329754, 4844480, 5328928, 6297824, 6661160, 7872280, 8659508, 9688960, 10657856, 10824385, 12595648, 13322320, 15744560, 17319016, 21315712, 21648770, 25191296, 26644640, 31489120, 34638032, 43297540, 53289280, 62978240, 69276064, 86595080, 106578560, 125956480, 138552128, 173190160, 277104256, 346380320, 692760640, 1385521280]

約数ペア:

[(1, 1385521280), (2, 692760640), (4, 346380320), (5, 277104256), (8, 173190160), (10, 138552128), (11, 125956480), (13, 106578560), (16, 86595080), (20, 69276064), (22, 62978240), (26, 53289280), (32, 43297540), (40, 34638032), (44, 31489120), (52, 26644640), (55, 25191296), (64, 21648770), (65, 21315712), (80, 17319016), (88, 15744560), (104, 13322320), (110, 12595648), (128, 10824385), (130, 10657856), (143, 9688960), (160, 8659508), (176, 7872280), (208, 6661160), (220, 6297824), (260, 5328928), (286, 4844480), (320, 4329754), (352, 3936140), (416, 3330580), (440, 3148912), (520, 2664464), (572, 2422240), (640, 2164877), (704, 1968070), (715, 1937792), (832, 1665290), (880, 1574456), (1040, 1332232), (1144, 1211120), (1408, 984035), (1430, 968896), (1664, 832645), (1760, 787228), (2080, 666116), (2288, 605560), (2860, 484448), (3520, 393614), (4160, 333058), (4576, 302780), (5720, 242224), (7040, 196807), (8320, 166529), (9152, 151390), (11440, 121112), (15139, 91520), (18304, 75695), (22880, 60556), (30278, 45760)]