156775280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 374038560

約数和(自身を除く): 217263280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 97, 178, 194, 227, 356, 388, 445, 454, 485, 712, 776, 890, 908, 970, 1135, 1424, 1552, 1780, 1816, 1940, 2270, 3560, 3632, 3880, 4540, 7120, 7760, 8633, 9080, 17266, 18160, 20203, 22019, 34532, 40406, 43165, 44038, 69064, 80812, 86330, 88076, 101015, 110095, 138128, 161624, 172660, 176152, 202030, 220190, 323248, 345320, 352304, 404060, 440380, 690640, 808120, 880760, 1616240, 1761520, 1959691, 3919382, 7838764, 9798455, 15677528, 19596910, 31355056, 39193820, 78387640, 156775280]

約数ペア:

[(1, 156775280), (2, 78387640), (4, 39193820), (5, 31355056), (8, 19596910), (10, 15677528), (16, 9798455), (20, 7838764), (40, 3919382), (80, 1959691), (89, 1761520), (97, 1616240), (178, 880760), (194, 808120), (227, 690640), (356, 440380), (388, 404060), (445, 352304), (454, 345320), (485, 323248), (712, 220190), (776, 202030), (890, 176152), (908, 172660), (970, 161624), (1135, 138128), (1424, 110095), (1552, 101015), (1780, 88076), (1816, 86330), (1940, 80812), (2270, 69064), (3560, 44038), (3632, 43165), (3880, 40406), (4540, 34532), (7120, 22019), (7760, 20203), (8633, 18160), (9080, 17266)]