30649640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 85847040

約数和(自身を除く): 55197400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 85, 94, 119, 136, 137, 140, 170, 188, 235, 238, 274, 280, 329, 340, 376, 470, 476, 548, 595, 658, 680, 685, 799, 940, 952, 959, 1096, 1190, 1316, 1370, 1598, 1645, 1880, 1918, 2329, 2380, 2632, 2740, 3196, 3290, 3836, 3995, 4658, 4760, 4795, 5480, 5593, 6392, 6439, 6580, 7672, 7990, 9316, 9590, 11186, 11645, 12878, 13160, 15980, 16303, 18632, 19180, 22372, 23290, 25756, 27965, 31960, 32195, 32606, 38360, 44744, 45073, 46580, 51512, 55930, 64390, 65212, 81515, 90146, 93160, 109463, 111860, 128780, 130424, 163030, 180292, 218926, 223720, 225365, 257560, 326060, 360584, 437852, 450730, 547315, 652120, 766241, 875704, 901460, 1094630, 1532482, 1802920, 2189260, 3064964, 3831205, 4378520, 6129928, 7662410, 15324820, 30649640]

約数ペア:

[(1, 30649640), (2, 15324820), (4, 7662410), (5, 6129928), (7, 4378520), (8, 3831205), (10, 3064964), (14, 2189260), (17, 1802920), (20, 1532482), (28, 1094630), (34, 901460), (35, 875704), (40, 766241), (47, 652120), (56, 547315), (68, 450730), (70, 437852), (85, 360584), (94, 326060), (119, 257560), (136, 225365), (137, 223720), (140, 218926), (170, 180292), (188, 163030), (235, 130424), (238, 128780), (274, 111860), (280, 109463), (329, 93160), (340, 90146), (376, 81515), (470, 65212), (476, 64390), (548, 55930), (595, 51512), (658, 46580), (680, 45073), (685, 44744), (799, 38360), (940, 32606), (952, 32195), (959, 31960), (1096, 27965), (1190, 25756), (1316, 23290), (1370, 22372), (1598, 19180), (1645, 18632), (1880, 16303), (1918, 15980), (2329, 13160), (2380, 12878), (2632, 11645), (2740, 11186), (3196, 9590), (3290, 9316), (3836, 7990), (3995, 7672), (4658, 6580), (4760, 6439), (4795, 6392), (5480, 5593)]