79620520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 222393600

約数和(自身を除く): 142773080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 119, 136, 140, 170, 172, 215, 238, 280, 301, 340, 344, 389, 430, 476, 595, 602, 680, 731, 778, 860, 952, 1190, 1204, 1462, 1505, 1556, 1720, 1945, 2380, 2408, 2723, 2924, 3010, 3112, 3655, 3890, 4760, 5117, 5446, 5848, 6020, 6613, 7310, 7780, 10234, 10892, 12040, 13226, 13615, 14620, 15560, 16727, 20468, 21784, 25585, 26452, 27230, 29240, 33065, 33454, 40936, 46291, 51170, 52904, 54460, 66130, 66908, 83635, 92582, 102340, 108920, 117089, 132260, 133816, 167270, 185164, 204680, 231455, 234178, 264520, 284359, 334540, 370328, 462910, 468356, 568718, 585445, 669080, 925820, 936712, 1137436, 1170890, 1421795, 1851640, 1990513, 2274872, 2341780, 2843590, 3981026, 4683560, 5687180, 7962052, 9952565, 11374360, 15924104, 19905130, 39810260, 79620520]

約数ペア:

[(1, 79620520), (2, 39810260), (4, 19905130), (5, 15924104), (7, 11374360), (8, 9952565), (10, 7962052), (14, 5687180), (17, 4683560), (20, 3981026), (28, 2843590), (34, 2341780), (35, 2274872), (40, 1990513), (43, 1851640), (56, 1421795), (68, 1170890), (70, 1137436), (85, 936712), (86, 925820), (119, 669080), (136, 585445), (140, 568718), (170, 468356), (172, 462910), (215, 370328), (238, 334540), (280, 284359), (301, 264520), (340, 234178), (344, 231455), (389, 204680), (430, 185164), (476, 167270), (595, 133816), (602, 132260), (680, 117089), (731, 108920), (778, 102340), (860, 92582), (952, 83635), (1190, 66908), (1204, 66130), (1462, 54460), (1505, 52904), (1556, 51170), (1720, 46291), (1945, 40936), (2380, 33454), (2408, 33065), (2723, 29240), (2924, 27230), (3010, 26452), (3112, 25585), (3655, 21784), (3890, 20468), (4760, 16727), (5117, 15560), (5446, 14620), (5848, 13615), (6020, 13226), (6613, 12040), (7310, 10892), (7780, 10234)]