159514840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 372936960

約数和(自身を除く): 213422120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 248, 310, 394, 620, 653, 788, 985, 1240, 1306, 1576, 1970, 2612, 3265, 3940, 5224, 6107, 6530, 7880, 12214, 13060, 20243, 24428, 26120, 30535, 40486, 48856, 61070, 80972, 101215, 122140, 128641, 161944, 202430, 244280, 257282, 404860, 514564, 643205, 809720, 1029128, 1286410, 2572820, 3987871, 5145640, 7975742, 15951484, 19939355, 31902968, 39878710, 79757420, 159514840]

約数ペア:

[(1, 159514840), (2, 79757420), (4, 39878710), (5, 31902968), (8, 19939355), (10, 15951484), (20, 7975742), (31, 5145640), (40, 3987871), (62, 2572820), (124, 1286410), (155, 1029128), (197, 809720), (248, 643205), (310, 514564), (394, 404860), (620, 257282), (653, 244280), (788, 202430), (985, 161944), (1240, 128641), (1306, 122140), (1576, 101215), (1970, 80972), (2612, 61070), (3265, 48856), (3940, 40486), (5224, 30535), (6107, 26120), (6530, 24428), (7880, 20243), (12214, 13060)]