156728560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63197}}^1$

素因数の和:63241

約数の個数: 40

約数和(自身を含む): 376154496

約数和(自身を除く): 219425936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 63197, 126394, 252788, 315985, 505576, 631970, 1011152, 1263940, 1959107, 2527880, 3918214, 5055760, 7836428, 9795535, 15672856, 19591070, 31345712, 39182140, 78364280, 156728560]

約数ペア:

[(1, 156728560), (2, 78364280), (4, 39182140), (5, 31345712), (8, 19591070), (10, 15672856), (16, 9795535), (20, 7836428), (31, 5055760), (40, 3918214), (62, 2527880), (80, 1959107), (124, 1263940), (155, 1011152), (248, 631970), (310, 505576), (496, 315985), (620, 252788), (1240, 126394), (2480, 63197)]