65325680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 185131008

約数和(自身を除く): 119805328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 53, 56, 62, 70, 71, 80, 106, 112, 124, 140, 142, 155, 212, 217, 248, 265, 280, 284, 310, 355, 371, 424, 434, 496, 497, 530, 560, 568, 620, 710, 742, 848, 868, 994, 1060, 1085, 1136, 1240, 1420, 1484, 1643, 1736, 1855, 1988, 2120, 2170, 2201, 2480, 2485, 2840, 2968, 3286, 3472, 3710, 3763, 3976, 4240, 4340, 4402, 4970, 5680, 5936, 6572, 7420, 7526, 7952, 8215, 8680, 8804, 9940, 11005, 11501, 13144, 14840, 15052, 15407, 16430, 17360, 17608, 18815, 19880, 22010, 23002, 26288, 26341, 29680, 30104, 30814, 32860, 35216, 37630, 39760, 44020, 46004, 52682, 57505, 60208, 61628, 65720, 75260, 77035, 88040, 92008, 105364, 115010, 116653, 123256, 131440, 131705, 150520, 154070, 176080, 184016, 210728, 230020, 233306, 246512, 263410, 301040, 308140, 421456, 460040, 466612, 526820, 583265, 616280, 816571, 920080, 933224, 1053640, 1166530, 1232560, 1633142, 1866448, 2107280, 2333060, 3266284, 4082855, 4666120, 6532568, 8165710, 9332240, 13065136, 16331420, 32662840, 65325680]

約数ペア:

[(1, 65325680), (2, 32662840), (4, 16331420), (5, 13065136), (7, 9332240), (8, 8165710), (10, 6532568), (14, 4666120), (16, 4082855), (20, 3266284), (28, 2333060), (31, 2107280), (35, 1866448), (40, 1633142), (53, 1232560), (56, 1166530), (62, 1053640), (70, 933224), (71, 920080), (80, 816571), (106, 616280), (112, 583265), (124, 526820), (140, 466612), (142, 460040), (155, 421456), (212, 308140), (217, 301040), (248, 263410), (265, 246512), (280, 233306), (284, 230020), (310, 210728), (355, 184016), (371, 176080), (424, 154070), (434, 150520), (496, 131705), (497, 131440), (530, 123256), (560, 116653), (568, 115010), (620, 105364), (710, 92008), (742, 88040), (848, 77035), (868, 75260), (994, 65720), (1060, 61628), (1085, 60208), (1136, 57505), (1240, 52682), (1420, 46004), (1484, 44020), (1643, 39760), (1736, 37630), (1855, 35216), (1988, 32860), (2120, 30814), (2170, 30104), (2201, 29680), (2480, 26341), (2485, 26288), (2840, 23002), (2968, 22010), (3286, 19880), (3472, 18815), (3710, 17608), (3763, 17360), (3976, 16430), (4240, 15407), (4340, 15052), (4402, 14840), (4970, 13144), (5680, 11501), (5936, 11005), (6572, 9940), (7420, 8804), (7526, 8680), (7952, 8215)]