280151712

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{31379}}^1$

素因数の和:31426

約数の個数: 72

約数和(自身を含む): 822407040

約数和(自身を除く): 542255328

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, 31379, 62758, 94137, 125516, 188274, 251032, 282411, 376548, 502064, 564822, 753096, 972749, 1004128, 1129644, 1506192, 1945498, 2259288, 2918247, 3012384, 3890996, 4518576, 5836494, 7781992, 8754741, 9037152, 11672988, 15563984, 17509482, 23345976, 31127968, 35018964, 46691952, 70037928, 93383904, 140075856, 280151712]

約数ペア:

[(1, 280151712), (2, 140075856), (3, 93383904), (4, 70037928), (6, 46691952), (8, 35018964), (9, 31127968), (12, 23345976), (16, 17509482), (18, 15563984), (24, 11672988), (31, 9037152), (32, 8754741), (36, 7781992), (48, 5836494), (62, 4518576), (72, 3890996), (93, 3012384), (96, 2918247), (124, 2259288), (144, 1945498), (186, 1506192), (248, 1129644), (279, 1004128), (288, 972749), (372, 753096), (496, 564822), (558, 502064), (744, 376548), (992, 282411), (1116, 251032), (1488, 188274), (2232, 125516), (2976, 94137), (4464, 62758), (8928, 31379)]