15696978920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{251393}}^1$

素因数の和:251634

約数の個数: 64

約数和(自身を含む): 40544824320

約数和(自身を除く): 24847845400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1115, 1561, 1784, 2230, 3122, 4460, 6244, 7805, 8920, 12488, 15610, 31220, 62440, 251393, 502786, 1005572, 1256965, 1759751, 2011144, 2513930, 3519502, 5027860, 7039004, 8798755, 10055720, 14078008, 17597510, 35195020, 56060639, 70390040, 112121278, 224242556, 280303195, 392424473, 448485112, 560606390, 784848946, 1121212780, 1569697892, 1962122365, 2242425560, 3139395784, 3924244730, 7848489460, 15696978920]

約数ペア:

[(1, 15696978920), (2, 7848489460), (4, 3924244730), (5, 3139395784), (7, 2242425560), (8, 1962122365), (10, 1569697892), (14, 1121212780), (20, 784848946), (28, 560606390), (35, 448485112), (40, 392424473), (56, 280303195), (70, 224242556), (140, 112121278), (223, 70390040), (280, 56060639), (446, 35195020), (892, 17597510), (1115, 14078008), (1561, 10055720), (1784, 8798755), (2230, 7039004), (3122, 5027860), (4460, 3519502), (6244, 2513930), (7805, 2011144), (8920, 1759751), (12488, 1256965), (15610, 1005572), (31220, 502786), (62440, 251393)]