85297520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 252412416

約数和(自身を除く): 167114896

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 80, 88, 110, 112, 122, 140, 154, 176, 220, 227, 244, 280, 305, 308, 385, 427, 440, 454, 488, 560, 610, 616, 671, 770, 854, 880, 908, 976, 1135, 1220, 1232, 1342, 1540, 1589, 1708, 1816, 2135, 2270, 2440, 2497, 2684, 3080, 3178, 3355, 3416, 3632, 4270, 4540, 4697, 4880, 4994, 5368, 6160, 6356, 6710, 6832, 7945, 8540, 9080, 9394, 9988, 10736, 12485, 12712, 13420, 13847, 15890, 17080, 17479, 18160, 18788, 19976, 23485, 24970, 25424, 26840, 27694, 31780, 34160, 34958, 37576, 39952, 46970, 49940, 53680, 55388, 63560, 69235, 69916, 75152, 87395, 93940, 96929, 99880, 110776, 127120, 138470, 139832, 152317, 174790, 187880, 193858, 199760, 221552, 276940, 279664, 304634, 349580, 375760, 387716, 484645, 553880, 609268, 699160, 761585, 775432, 969290, 1066219, 1107760, 1218536, 1398320, 1523170, 1550864, 1938580, 2132438, 2437072, 3046340, 3877160, 4264876, 5331095, 6092680, 7754320, 8529752, 10662190, 12185360, 17059504, 21324380, 42648760, 85297520]

約数ペア:

[(1, 85297520), (2, 42648760), (4, 21324380), (5, 17059504), (7, 12185360), (8, 10662190), (10, 8529752), (11, 7754320), (14, 6092680), (16, 5331095), (20, 4264876), (22, 3877160), (28, 3046340), (35, 2437072), (40, 2132438), (44, 1938580), (55, 1550864), (56, 1523170), (61, 1398320), (70, 1218536), (77, 1107760), (80, 1066219), (88, 969290), (110, 775432), (112, 761585), (122, 699160), (140, 609268), (154, 553880), (176, 484645), (220, 387716), (227, 375760), (244, 349580), (280, 304634), (305, 279664), (308, 276940), (385, 221552), (427, 199760), (440, 193858), (454, 187880), (488, 174790), (560, 152317), (610, 139832), (616, 138470), (671, 127120), (770, 110776), (854, 99880), (880, 96929), (908, 93940), (976, 87395), (1135, 75152), (1220, 69916), (1232, 69235), (1342, 63560), (1540, 55388), (1589, 53680), (1708, 49940), (1816, 46970), (2135, 39952), (2270, 37576), (2440, 34958), (2497, 34160), (2684, 31780), (3080, 27694), (3178, 26840), (3355, 25424), (3416, 24970), (3632, 23485), (4270, 19976), (4540, 18788), (4697, 18160), (4880, 17479), (4994, 17080), (5368, 15890), (6160, 13847), (6356, 13420), (6710, 12712), (6832, 12485), (7945, 10736), (8540, 9988), (9080, 9394)]