311995728

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:913

約数の個数: 120

約数和(自身を含む): 956831616

約数和(自身を除く): 644835888

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 431, 457, 528, 792, 862, 914, 1293, 1371, 1584, 1724, 1828, 2586, 2742, 3448, 3656, 3879, 4113, 4741, 5027, 5172, 5484, 6896, 7312, 7758, 8226, 9482, 10054, 10344, 10968, 14223, 15081, 15516, 16452, 18964, 20108, 20688, 21936, 28446, 30162, 31032, 32904, 37928, 40216, 42669, 45243, 56892, 60324, 62064, 65808, 75856, 80432, 85338, 90486, 113784, 120648, 170676, 180972, 196967, 227568, 241296, 341352, 361944, 393934, 590901, 682704, 723888, 787868, 1181802, 1575736, 1772703, 2166637, 2363604, 3151472, 3545406, 4333274, 4727208, 6499911, 7090812, 8666548, 9454416, 12999822, 14181624, 17333096, 19499733, 25999644, 28363248, 34666192, 38999466, 51999288, 77998932, 103998576, 155997864, 311995728]

約数ペア:

[(1, 311995728), (2, 155997864), (3, 103998576), (4, 77998932), (6, 51999288), (8, 38999466), (9, 34666192), (11, 28363248), (12, 25999644), (16, 19499733), (18, 17333096), (22, 14181624), (24, 12999822), (33, 9454416), (36, 8666548), (44, 7090812), (48, 6499911), (66, 4727208), (72, 4333274), (88, 3545406), (99, 3151472), (132, 2363604), (144, 2166637), (176, 1772703), (198, 1575736), (264, 1181802), (396, 787868), (431, 723888), (457, 682704), (528, 590901), (792, 393934), (862, 361944), (914, 341352), (1293, 241296), (1371, 227568), (1584, 196967), (1724, 180972), (1828, 170676), (2586, 120648), (2742, 113784), (3448, 90486), (3656, 85338), (3879, 80432), (4113, 75856), (4741, 65808), (5027, 62064), (5172, 60324), (5484, 56892), (6896, 45243), (7312, 42669), (7758, 40216), (8226, 37928), (9482, 32904), (10054, 31032), (10344, 30162), (10968, 28446), (14223, 21936), (15081, 20688), (15516, 20108), (16452, 18964)]