318172480

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1296

約数の個数: 112

約数和(自身を含む): 816742080

約数和(自身を除く): 498569600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 320, 344, 380, 430, 608, 688, 760, 817, 860, 1216, 1217, 1376, 1520, 1634, 1720, 2434, 2752, 3040, 3268, 3440, 4085, 4868, 6080, 6085, 6536, 6880, 8170, 9736, 12170, 13072, 13760, 16340, 19472, 23123, 24340, 26144, 32680, 38944, 46246, 48680, 52288, 52331, 65360, 77888, 92492, 97360, 104662, 115615, 130720, 184984, 194720, 209324, 231230, 261440, 261655, 369968, 389440, 418648, 462460, 523310, 739936, 837296, 924920, 994289, 1046620, 1479872, 1674592, 1849840, 1988578, 2093240, 3349184, 3699680, 3977156, 4186480, 4971445, 7399360, 7954312, 8372960, 9942890, 15908624, 16745920, 19885780, 31817248, 39771560, 63634496, 79543120, 159086240, 318172480]

約数ペア:

[(1, 318172480), (2, 159086240), (4, 79543120), (5, 63634496), (8, 39771560), (10, 31817248), (16, 19885780), (19, 16745920), (20, 15908624), (32, 9942890), (38, 8372960), (40, 7954312), (43, 7399360), (64, 4971445), (76, 4186480), (80, 3977156), (86, 3699680), (95, 3349184), (152, 2093240), (160, 1988578), (172, 1849840), (190, 1674592), (215, 1479872), (304, 1046620), (320, 994289), (344, 924920), (380, 837296), (430, 739936), (608, 523310), (688, 462460), (760, 418648), (817, 389440), (860, 369968), (1216, 261655), (1217, 261440), (1376, 231230), (1520, 209324), (1634, 194720), (1720, 184984), (2434, 130720), (2752, 115615), (3040, 104662), (3268, 97360), (3440, 92492), (4085, 77888), (4868, 65360), (6080, 52331), (6085, 52288), (6536, 48680), (6880, 46246), (8170, 38944), (9736, 32680), (12170, 26144), (13072, 24340), (13760, 23123), (16340, 19472)]