71912280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 237530880

約数和(自身を除く): 165618600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 314, 330, 347, 440, 471, 628, 660, 694, 785, 942, 1041, 1256, 1320, 1388, 1570, 1727, 1735, 1884, 2082, 2355, 2776, 3140, 3454, 3470, 3768, 3817, 4164, 4710, 5181, 5205, 6280, 6908, 6940, 7634, 8328, 8635, 9420, 10362, 10410, 11451, 13816, 13880, 15268, 17270, 18840, 19085, 20724, 20820, 22902, 25905, 30536, 34540, 38170, 41448, 41640, 45804, 51810, 54479, 57255, 69080, 76340, 91608, 103620, 108958, 114510, 152680, 163437, 207240, 217916, 229020, 272395, 326874, 435832, 458040, 544790, 599269, 653748, 817185, 1089580, 1198538, 1307496, 1634370, 1797807, 2179160, 2397076, 2996345, 3268740, 3595614, 4794152, 5992690, 6537480, 7191228, 8989035, 11985380, 14382456, 17978070, 23970760, 35956140, 71912280]

約数ペア:

[(1, 71912280), (2, 35956140), (3, 23970760), (4, 17978070), (5, 14382456), (6, 11985380), (8, 8989035), (10, 7191228), (11, 6537480), (12, 5992690), (15, 4794152), (20, 3595614), (22, 3268740), (24, 2996345), (30, 2397076), (33, 2179160), (40, 1797807), (44, 1634370), (55, 1307496), (60, 1198538), (66, 1089580), (88, 817185), (110, 653748), (120, 599269), (132, 544790), (157, 458040), (165, 435832), (220, 326874), (264, 272395), (314, 229020), (330, 217916), (347, 207240), (440, 163437), (471, 152680), (628, 114510), (660, 108958), (694, 103620), (785, 91608), (942, 76340), (1041, 69080), (1256, 57255), (1320, 54479), (1388, 51810), (1570, 45804), (1727, 41640), (1735, 41448), (1884, 38170), (2082, 34540), (2355, 30536), (2776, 25905), (3140, 22902), (3454, 20820), (3470, 20724), (3768, 19085), (3817, 18840), (4164, 17270), (4710, 15268), (5181, 13880), (5205, 13816), (6280, 11451), (6908, 10410), (6940, 10362), (7634, 9420), (8328, 8635)]