163131920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9397}}^1$

素因数の和:9448

約数の個数: 80

約数和(自身を含む): 447495168

約数和(自身を除く): 284363248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 9397, 17360, 18794, 37588, 46985, 65779, 75176, 93970, 131558, 150352, 187940, 263116, 291307, 328895, 375880, 526232, 582614, 657790, 751760, 1052464, 1165228, 1315580, 1456535, 2039149, 2330456, 2631160, 2913070, 4078298, 4660912, 5262320, 5826140, 8156596, 10195745, 11652280, 16313192, 20391490, 23304560, 32626384, 40782980, 81565960, 163131920]

約数ペア:

[(1, 163131920), (2, 81565960), (4, 40782980), (5, 32626384), (7, 23304560), (8, 20391490), (10, 16313192), (14, 11652280), (16, 10195745), (20, 8156596), (28, 5826140), (31, 5262320), (35, 4660912), (40, 4078298), (56, 2913070), (62, 2631160), (70, 2330456), (80, 2039149), (112, 1456535), (124, 1315580), (140, 1165228), (155, 1052464), (217, 751760), (248, 657790), (280, 582614), (310, 526232), (434, 375880), (496, 328895), (560, 291307), (620, 263116), (868, 187940), (1085, 150352), (1240, 131558), (1736, 93970), (2170, 75176), (2480, 65779), (3472, 46985), (4340, 37588), (8680, 18794), (9397, 17360)]