71929720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 172821600

約数和(自身を除く): 100891880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 680, 695, 761, 1112, 1390, 1522, 2363, 2780, 3044, 3805, 4726, 5560, 6088, 7610, 9452, 11815, 12937, 15220, 18904, 23630, 25874, 30440, 47260, 51748, 64685, 94520, 103496, 105779, 129370, 211558, 258740, 423116, 517480, 528895, 846232, 1057790, 1798243, 2115580, 3596486, 4231160, 7192972, 8991215, 14385944, 17982430, 35964860, 71929720]

約数ペア:

[(1, 71929720), (2, 35964860), (4, 17982430), (5, 14385944), (8, 8991215), (10, 7192972), (17, 4231160), (20, 3596486), (34, 2115580), (40, 1798243), (68, 1057790), (85, 846232), (136, 528895), (139, 517480), (170, 423116), (278, 258740), (340, 211558), (556, 129370), (680, 105779), (695, 103496), (761, 94520), (1112, 64685), (1390, 51748), (1522, 47260), (2363, 30440), (2780, 25874), (3044, 23630), (3805, 18904), (4726, 15220), (5560, 12937), (6088, 11815), (7610, 9452)]