128112140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 301598640

約数和(自身を除く): 173486500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 580, 676, 754, 845, 1307, 1508, 1690, 1885, 2614, 3380, 3770, 4901, 5228, 6535, 7540, 9802, 13070, 16991, 19604, 24505, 26140, 33982, 37903, 49010, 67964, 75806, 84955, 98020, 151612, 169910, 189515, 220883, 339820, 379030, 441766, 492739, 758060, 883532, 985478, 1104415, 1970956, 2208830, 2463695, 4417660, 4927390, 6405607, 9854780, 12811214, 25622428, 32028035, 64056070, 128112140]

約数ペア:

[(1, 128112140), (2, 64056070), (4, 32028035), (5, 25622428), (10, 12811214), (13, 9854780), (20, 6405607), (26, 4927390), (29, 4417660), (52, 2463695), (58, 2208830), (65, 1970956), (116, 1104415), (130, 985478), (145, 883532), (169, 758060), (260, 492739), (290, 441766), (338, 379030), (377, 339820), (580, 220883), (676, 189515), (754, 169910), (845, 151612), (1307, 98020), (1508, 84955), (1690, 75806), (1885, 67964), (2614, 49010), (3380, 37903), (3770, 33982), (4901, 26140), (5228, 24505), (6535, 19604), (7540, 16991), (9802, 13070)]