780494688

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{87421}}^1$

素因数の和:87468

約数の個数: 72

約数和(自身を含む): 2291155776

約数和(自身を除く): 1510661088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 87421, 174842, 262263, 349684, 524526, 699368, 786789, 1049052, 1398736, 1573578, 2098104, 2710051, 2797472, 3147156, 4196208, 5420102, 6294312, 8130153, 8392416, 10840204, 12588624, 16260306, 21680408, 24390459, 25177248, 32520612, 43360816, 48780918, 65041224, 86721632, 97561836, 130082448, 195123672, 260164896, 390247344, 780494688]

約数ペア:

[(1, 780494688), (2, 390247344), (3, 260164896), (4, 195123672), (6, 130082448), (8, 97561836), (9, 86721632), (12, 65041224), (16, 48780918), (18, 43360816), (24, 32520612), (31, 25177248), (32, 24390459), (36, 21680408), (48, 16260306), (62, 12588624), (72, 10840204), (93, 8392416), (96, 8130153), (124, 6294312), (144, 5420102), (186, 4196208), (248, 3147156), (279, 2797472), (288, 2710051), (372, 2098104), (496, 1573578), (558, 1398736), (744, 1049052), (992, 786789), (1116, 699368), (1488, 524526), (2232, 349684), (2976, 262263), (4464, 174842), (8928, 87421)]