128807028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 399095424

約数和(自身を除く): 270288396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 107, 119, 126, 153, 204, 214, 238, 252, 281, 306, 321, 357, 428, 476, 562, 612, 642, 714, 749, 843, 963, 1071, 1124, 1284, 1428, 1498, 1686, 1819, 1926, 1967, 2142, 2247, 2529, 2996, 3372, 3638, 3852, 3934, 4284, 4494, 4777, 5058, 5457, 5901, 6741, 7276, 7868, 8988, 9554, 10116, 10914, 11802, 12733, 13482, 14331, 16371, 17703, 19108, 21828, 23604, 25466, 26964, 28662, 30067, 32742, 33439, 35406, 38199, 42993, 50932, 57324, 60134, 65484, 66878, 70812, 76398, 85986, 90201, 100317, 114597, 120268, 133756, 152796, 171972, 180402, 200634, 210469, 229194, 270603, 300951, 360804, 401268, 420938, 458388, 511139, 541206, 601902, 631407, 841876, 1022278, 1082412, 1203804, 1262814, 1533417, 1894221, 2044556, 2525628, 3066834, 3577973, 3788442, 4600251, 6133668, 7155946, 7576884, 9200502, 10733919, 14311892, 18401004, 21467838, 32201757, 42935676, 64403514, 128807028]

約数ペア:

[(1, 128807028), (2, 64403514), (3, 42935676), (4, 32201757), (6, 21467838), (7, 18401004), (9, 14311892), (12, 10733919), (14, 9200502), (17, 7576884), (18, 7155946), (21, 6133668), (28, 4600251), (34, 3788442), (36, 3577973), (42, 3066834), (51, 2525628), (63, 2044556), (68, 1894221), (84, 1533417), (102, 1262814), (107, 1203804), (119, 1082412), (126, 1022278), (153, 841876), (204, 631407), (214, 601902), (238, 541206), (252, 511139), (281, 458388), (306, 420938), (321, 401268), (357, 360804), (428, 300951), (476, 270603), (562, 229194), (612, 210469), (642, 200634), (714, 180402), (749, 171972), (843, 152796), (963, 133756), (1071, 120268), (1124, 114597), (1284, 100317), (1428, 90201), (1498, 85986), (1686, 76398), (1819, 70812), (1926, 66878), (1967, 65484), (2142, 60134), (2247, 57324), (2529, 50932), (2996, 42993), (3372, 38199), (3638, 35406), (3852, 33439), (3934, 32742), (4284, 30067), (4494, 28662), (4777, 26964), (5058, 25466), (5457, 23604), (5901, 21828), (6741, 19108), (7276, 17703), (7868, 16371), (8988, 14331), (9554, 13482), (10116, 12733), (10914, 11802)]