71830640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 206891520

約数和(自身を除く): 135060880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 80, 86, 95, 112, 133, 140, 152, 157, 172, 190, 215, 266, 280, 301, 304, 314, 344, 380, 430, 532, 560, 602, 628, 665, 688, 760, 785, 817, 860, 1064, 1099, 1204, 1256, 1330, 1505, 1520, 1570, 1634, 1720, 2128, 2198, 2408, 2512, 2660, 2983, 3010, 3140, 3268, 3440, 4085, 4396, 4816, 5320, 5495, 5719, 5966, 6020, 6280, 6536, 6751, 8170, 8792, 10640, 10990, 11438, 11932, 12040, 12560, 13072, 13502, 14915, 16340, 17584, 20881, 21980, 22876, 23864, 24080, 27004, 28595, 29830, 32680, 33755, 41762, 43960, 45752, 47257, 47728, 54008, 57190, 59660, 65360, 67510, 83524, 87920, 91504, 94514, 104405, 108016, 114380, 119320, 128269, 135020, 167048, 189028, 208810, 228760, 236285, 238640, 256538, 270040, 334096, 378056, 417620, 457520, 472570, 513076, 540080, 641345, 756112, 835240, 897883, 945140, 1026152, 1282690, 1670480, 1795766, 1890280, 2052304, 2565380, 3591532, 3780560, 4489415, 5130760, 7183064, 8978830, 10261520, 14366128, 17957660, 35915320, 71830640]

約数ペア:

[(1, 71830640), (2, 35915320), (4, 17957660), (5, 14366128), (7, 10261520), (8, 8978830), (10, 7183064), (14, 5130760), (16, 4489415), (19, 3780560), (20, 3591532), (28, 2565380), (35, 2052304), (38, 1890280), (40, 1795766), (43, 1670480), (56, 1282690), (70, 1026152), (76, 945140), (80, 897883), (86, 835240), (95, 756112), (112, 641345), (133, 540080), (140, 513076), (152, 472570), (157, 457520), (172, 417620), (190, 378056), (215, 334096), (266, 270040), (280, 256538), (301, 238640), (304, 236285), (314, 228760), (344, 208810), (380, 189028), (430, 167048), (532, 135020), (560, 128269), (602, 119320), (628, 114380), (665, 108016), (688, 104405), (760, 94514), (785, 91504), (817, 87920), (860, 83524), (1064, 67510), (1099, 65360), (1204, 59660), (1256, 57190), (1330, 54008), (1505, 47728), (1520, 47257), (1570, 45752), (1634, 43960), (1720, 41762), (2128, 33755), (2198, 32680), (2408, 29830), (2512, 28595), (2660, 27004), (2983, 24080), (3010, 23864), (3140, 22876), (3268, 21980), (3440, 20881), (4085, 17584), (4396, 16340), (4816, 14915), (5320, 13502), (5495, 13072), (5719, 12560), (5966, 12040), (6020, 11932), (6280, 11438), (6536, 10990), (6751, 10640), (8170, 8792)]