127680192

素因数分解:

$2^6\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2055

約数の個数: 112

約数和(自身を含む): 385693920

約数和(自身を除く): 258013728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 96, 108, 111, 144, 148, 192, 216, 222, 288, 296, 333, 432, 444, 576, 592, 666, 864, 888, 999, 1184, 1332, 1728, 1776, 1997, 1998, 2368, 2664, 3552, 3994, 3996, 5328, 5991, 7104, 7988, 7992, 10656, 11982, 15976, 15984, 17973, 21312, 23964, 31952, 31968, 35946, 47928, 53919, 63904, 63936, 71892, 73889, 95856, 107838, 127808, 143784, 147778, 191712, 215676, 221667, 287568, 295556, 383424, 431352, 443334, 575136, 591112, 665001, 862704, 886668, 1150272, 1182224, 1330002, 1725408, 1773336, 1995003, 2364448, 2660004, 3450816, 3546672, 3990006, 4728896, 5320008, 7093344, 7980012, 10640016, 14186688, 15960024, 21280032, 31920048, 42560064, 63840096, 127680192]

約数ペア:

[(1, 127680192), (2, 63840096), (3, 42560064), (4, 31920048), (6, 21280032), (8, 15960024), (9, 14186688), (12, 10640016), (16, 7980012), (18, 7093344), (24, 5320008), (27, 4728896), (32, 3990006), (36, 3546672), (37, 3450816), (48, 2660004), (54, 2364448), (64, 1995003), (72, 1773336), (74, 1725408), (96, 1330002), (108, 1182224), (111, 1150272), (144, 886668), (148, 862704), (192, 665001), (216, 591112), (222, 575136), (288, 443334), (296, 431352), (333, 383424), (432, 295556), (444, 287568), (576, 221667), (592, 215676), (666, 191712), (864, 147778), (888, 143784), (999, 127808), (1184, 107838), (1332, 95856), (1728, 73889), (1776, 71892), (1997, 63936), (1998, 63904), (2368, 53919), (2664, 47928), (3552, 35946), (3994, 31968), (3996, 31952), (5328, 23964), (5991, 21312), (7104, 17973), (7988, 15984), (7992, 15976), (10656, 11982)]