64825040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:769

約数の個数: 120

約数和(自身を含む): 183202560

約数和(自身を除く): 118377520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 719, 784, 805, 920, 980, 1127, 1288, 1438, 1610, 1840, 1960, 2254, 2576, 2876, 3220, 3595, 3920, 4508, 5033, 5635, 5752, 6440, 7190, 9016, 10066, 11270, 11504, 12880, 14380, 16537, 18032, 20132, 22540, 25165, 28760, 33074, 35231, 40264, 45080, 50330, 57520, 66148, 70462, 80528, 82685, 90160, 100660, 115759, 132296, 140924, 165370, 176155, 201320, 231518, 264592, 281848, 330740, 352310, 402640, 463036, 563696, 578795, 661480, 704620, 810313, 926072, 1157590, 1322960, 1409240, 1620626, 1852144, 2315180, 2818480, 3241252, 4051565, 4630360, 6482504, 8103130, 9260720, 12965008, 16206260, 32412520, 64825040]

約数ペア:

[(1, 64825040), (2, 32412520), (4, 16206260), (5, 12965008), (7, 9260720), (8, 8103130), (10, 6482504), (14, 4630360), (16, 4051565), (20, 3241252), (23, 2818480), (28, 2315180), (35, 1852144), (40, 1620626), (46, 1409240), (49, 1322960), (56, 1157590), (70, 926072), (80, 810313), (92, 704620), (98, 661480), (112, 578795), (115, 563696), (140, 463036), (161, 402640), (184, 352310), (196, 330740), (230, 281848), (245, 264592), (280, 231518), (322, 201320), (368, 176155), (392, 165370), (460, 140924), (490, 132296), (560, 115759), (644, 100660), (719, 90160), (784, 82685), (805, 80528), (920, 70462), (980, 66148), (1127, 57520), (1288, 50330), (1438, 45080), (1610, 40264), (1840, 35231), (1960, 33074), (2254, 28760), (2576, 25165), (2876, 22540), (3220, 20132), (3595, 18032), (3920, 16537), (4508, 14380), (5033, 12880), (5635, 11504), (5752, 11270), (6440, 10066), (7190, 9016)]