87859520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:728

約数の個数: 112

約数和(自身を含む): 243401088

約数和(自身を除く): 155541568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 643, 854, 976, 1120, 1220, 1286, 1708, 1952, 2135, 2240, 2440, 2572, 3215, 3416, 3904, 4270, 4501, 4880, 5144, 6430, 6832, 8540, 9002, 9760, 10288, 12860, 13664, 17080, 18004, 19520, 20576, 22505, 25720, 27328, 34160, 36008, 39223, 41152, 45010, 51440, 68320, 72016, 78446, 90020, 102880, 136640, 144032, 156892, 180040, 196115, 205760, 274561, 288064, 313784, 360080, 392230, 549122, 627568, 720160, 784460, 1098244, 1255136, 1372805, 1440320, 1568920, 2196488, 2510272, 2745610, 3137840, 4392976, 5491220, 6275680, 8785952, 10982440, 12551360, 17571904, 21964880, 43929760, 87859520]

約数ペア:

[(1, 87859520), (2, 43929760), (4, 21964880), (5, 17571904), (7, 12551360), (8, 10982440), (10, 8785952), (14, 6275680), (16, 5491220), (20, 4392976), (28, 3137840), (32, 2745610), (35, 2510272), (40, 2196488), (56, 1568920), (61, 1440320), (64, 1372805), (70, 1255136), (80, 1098244), (112, 784460), (122, 720160), (140, 627568), (160, 549122), (224, 392230), (244, 360080), (280, 313784), (305, 288064), (320, 274561), (427, 205760), (448, 196115), (488, 180040), (560, 156892), (610, 144032), (643, 136640), (854, 102880), (976, 90020), (1120, 78446), (1220, 72016), (1286, 68320), (1708, 51440), (1952, 45010), (2135, 41152), (2240, 39223), (2440, 36008), (2572, 34160), (3215, 27328), (3416, 25720), (3904, 22505), (4270, 20576), (4501, 19520), (4880, 18004), (5144, 17080), (6430, 13664), (6832, 12860), (8540, 10288), (9002, 9760)]