151581520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 375565248

約数和(自身を除く): 223983728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 227, 272, 340, 454, 491, 680, 908, 982, 1135, 1360, 1816, 1964, 2270, 2455, 3632, 3859, 3928, 4540, 4910, 7718, 7856, 8347, 9080, 9820, 15436, 16694, 18160, 19295, 19640, 30872, 33388, 38590, 39280, 41735, 61744, 66776, 77180, 83470, 111457, 133552, 154360, 166940, 222914, 308720, 333880, 445828, 557285, 667760, 891656, 1114570, 1783312, 1894769, 2229140, 3789538, 4458280, 7579076, 8916560, 9473845, 15158152, 18947690, 30316304, 37895380, 75790760, 151581520]

約数ペア:

[(1, 151581520), (2, 75790760), (4, 37895380), (5, 30316304), (8, 18947690), (10, 15158152), (16, 9473845), (17, 8916560), (20, 7579076), (34, 4458280), (40, 3789538), (68, 2229140), (80, 1894769), (85, 1783312), (136, 1114570), (170, 891656), (227, 667760), (272, 557285), (340, 445828), (454, 333880), (491, 308720), (680, 222914), (908, 166940), (982, 154360), (1135, 133552), (1360, 111457), (1816, 83470), (1964, 77180), (2270, 66776), (2455, 61744), (3632, 41735), (3859, 39280), (3928, 38590), (4540, 33388), (4910, 30872), (7718, 19640), (7856, 19295), (8347, 18160), (9080, 16694), (9820, 15436)]