1990777344

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41809}}^1$

素因数の和:41861

約数の個数: 80

約数和(自身を含む): 5474768640

約数和(自身を除く): 3483991296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 744, 768, 992, 1488, 1536, 1984, 2976, 3968, 5952, 7936, 11904, 15872, 23808, 41809, 47616, 83618, 125427, 167236, 250854, 334472, 501708, 668944, 1003416, 1296079, 1337888, 2006832, 2592158, 2675776, 3888237, 4013664, 5184316, 5351552, 7776474, 8027328, 10368632, 10703104, 15552948, 16054656, 20737264, 21406208, 31105896, 32109312, 41474528, 62211792, 64218624, 82949056, 124423584, 165898112, 248847168, 331796224, 497694336, 663592448, 995388672, 1990777344]

約数ペア:

[(1, 1990777344), (2, 995388672), (3, 663592448), (4, 497694336), (6, 331796224), (8, 248847168), (12, 165898112), (16, 124423584), (24, 82949056), (31, 64218624), (32, 62211792), (48, 41474528), (62, 32109312), (64, 31105896), (93, 21406208), (96, 20737264), (124, 16054656), (128, 15552948), (186, 10703104), (192, 10368632), (248, 8027328), (256, 7776474), (372, 5351552), (384, 5184316), (496, 4013664), (512, 3888237), (744, 2675776), (768, 2592158), (992, 2006832), (1488, 1337888), (1536, 1296079), (1984, 1003416), (2976, 668944), (3968, 501708), (5952, 334472), (7936, 250854), (11904, 167236), (15872, 125427), (23808, 83618), (41809, 47616)]