2065840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 6106752

約数和(自身を除く): 4040912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 49, 56, 62, 68, 70, 80, 85, 98, 112, 119, 124, 136, 140, 155, 170, 196, 217, 238, 245, 248, 272, 280, 310, 340, 392, 434, 476, 490, 496, 527, 560, 595, 620, 680, 784, 833, 868, 952, 980, 1054, 1085, 1190, 1240, 1360, 1519, 1666, 1736, 1904, 1960, 2108, 2170, 2380, 2480, 2635, 3038, 3332, 3472, 3689, 3920, 4165, 4216, 4340, 4760, 5270, 6076, 6664, 7378, 7595, 8330, 8432, 8680, 9520, 10540, 12152, 13328, 14756, 15190, 16660, 17360, 18445, 21080, 24304, 25823, 29512, 30380, 33320, 36890, 42160, 51646, 59024, 60760, 66640, 73780, 103292, 121520, 129115, 147560, 206584, 258230, 295120, 413168, 516460, 1032920, 2065840]

約数ペア:

[(1, 2065840), (2, 1032920), (4, 516460), (5, 413168), (7, 295120), (8, 258230), (10, 206584), (14, 147560), (16, 129115), (17, 121520), (20, 103292), (28, 73780), (31, 66640), (34, 60760), (35, 59024), (40, 51646), (49, 42160), (56, 36890), (62, 33320), (68, 30380), (70, 29512), (80, 25823), (85, 24304), (98, 21080), (112, 18445), (119, 17360), (124, 16660), (136, 15190), (140, 14756), (155, 13328), (170, 12152), (196, 10540), (217, 9520), (238, 8680), (245, 8432), (248, 8330), (272, 7595), (280, 7378), (310, 6664), (340, 6076), (392, 5270), (434, 4760), (476, 4340), (490, 4216), (496, 4165), (527, 3920), (560, 3689), (595, 3472), (620, 3332), (680, 3038), (784, 2635), (833, 2480), (868, 2380), (952, 2170), (980, 2108), (1054, 1960), (1085, 1904), (1190, 1736), (1240, 1666), (1360, 1519)]