68647029160

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{977}}^1\times {\mathrm{6679}}^1$

素因数の和:7930

約数の個数: 64

約数和(自身を含む): 155225030400

約数和(自身を除く): 86578001240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 977, 1052, 1315, 1954, 2104, 2630, 3908, 4885, 5260, 6679, 7816, 9770, 10520, 13358, 19540, 26716, 33395, 39080, 53432, 66790, 133580, 256951, 267160, 513902, 1027804, 1284755, 1756577, 2055608, 2569510, 3513154, 5139020, 6525383, 7026308, 8782885, 10278040, 13050766, 14052616, 17565770, 26101532, 32626915, 35131540, 52203064, 65253830, 70263080, 130507660, 261015320, 1716175729, 3432351458, 6864702916, 8580878645, 13729405832, 17161757290, 34323514580, 68647029160]

約数ペア:

[(1, 68647029160), (2, 34323514580), (4, 17161757290), (5, 13729405832), (8, 8580878645), (10, 6864702916), (20, 3432351458), (40, 1716175729), (263, 261015320), (526, 130507660), (977, 70263080), (1052, 65253830), (1315, 52203064), (1954, 35131540), (2104, 32626915), (2630, 26101532), (3908, 17565770), (4885, 14052616), (5260, 13050766), (6679, 10278040), (7816, 8782885), (9770, 7026308), (10520, 6525383), (13358, 5139020), (19540, 3513154), (26716, 2569510), (33395, 2055608), (39080, 1756577), (53432, 1284755), (66790, 1027804), (133580, 513902), (256951, 267160)]