179208520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3361}}^1$

素因数の和:3446

約数の個数: 64

約数和(自身を含む): 426032640

約数和(自身を除く): 246824120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 3361, 5332, 6665, 6722, 10664, 13330, 13444, 16805, 26660, 26888, 33610, 53320, 67220, 104191, 134440, 144523, 208382, 289046, 416764, 520955, 578092, 722615, 833528, 1041910, 1156184, 1445230, 2083820, 2890460, 4167640, 4480213, 5780920, 8960426, 17920852, 22401065, 35841704, 44802130, 89604260, 179208520]

約数ペア:

[(1, 179208520), (2, 89604260), (4, 44802130), (5, 35841704), (8, 22401065), (10, 17920852), (20, 8960426), (31, 5780920), (40, 4480213), (43, 4167640), (62, 2890460), (86, 2083820), (124, 1445230), (155, 1156184), (172, 1041910), (215, 833528), (248, 722615), (310, 578092), (344, 520955), (430, 416764), (620, 289046), (860, 208382), (1240, 144523), (1333, 134440), (1720, 104191), (2666, 67220), (3361, 53320), (5332, 33610), (6665, 26888), (6722, 26660), (10664, 16805), (13330, 13444)]