313166960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:882

約数の個数: 80

約数和(自身を含む): 756594432

約数和(自身を除く): 443427472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 197, 248, 310, 394, 496, 620, 641, 788, 985, 1240, 1282, 1576, 1970, 2480, 2564, 3152, 3205, 3940, 5128, 6107, 6410, 7880, 10256, 12214, 12820, 15760, 19871, 24428, 25640, 30535, 39742, 48856, 51280, 61070, 79484, 97712, 99355, 122140, 126277, 158968, 198710, 244280, 252554, 317936, 397420, 488560, 505108, 631385, 794840, 1010216, 1262770, 1589680, 2020432, 2525540, 3914587, 5051080, 7829174, 10102160, 15658348, 19572935, 31316696, 39145870, 62633392, 78291740, 156583480, 313166960]

約数ペア:

[(1, 313166960), (2, 156583480), (4, 78291740), (5, 62633392), (8, 39145870), (10, 31316696), (16, 19572935), (20, 15658348), (31, 10102160), (40, 7829174), (62, 5051080), (80, 3914587), (124, 2525540), (155, 2020432), (197, 1589680), (248, 1262770), (310, 1010216), (394, 794840), (496, 631385), (620, 505108), (641, 488560), (788, 397420), (985, 317936), (1240, 252554), (1282, 244280), (1576, 198710), (1970, 158968), (2480, 126277), (2564, 122140), (3152, 99355), (3205, 97712), (3940, 79484), (5128, 61070), (6107, 51280), (6410, 48856), (7880, 39742), (10256, 30535), (12214, 25640), (12820, 24428), (15760, 19871)]