427210240

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1531}}^1$

素因数の和:1663

約数の個数: 80

約数和(自身を含む): 1034375760

約数和(自身を除く): 607165520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 512, 545, 640, 872, 1090, 1280, 1531, 1744, 2180, 2560, 3062, 3488, 4360, 6124, 6976, 7655, 8720, 12248, 13952, 15310, 17440, 24496, 27904, 30620, 34880, 48992, 55808, 61240, 69760, 97984, 122480, 139520, 166879, 195968, 244960, 279040, 333758, 391936, 489920, 667516, 783872, 834395, 979840, 1335032, 1668790, 1959680, 2670064, 3337580, 3919360, 5340128, 6675160, 10680256, 13350320, 21360512, 26700640, 42721024, 53401280, 85442048, 106802560, 213605120, 427210240]

約数ペア:

[(1, 427210240), (2, 213605120), (4, 106802560), (5, 85442048), (8, 53401280), (10, 42721024), (16, 26700640), (20, 21360512), (32, 13350320), (40, 10680256), (64, 6675160), (80, 5340128), (109, 3919360), (128, 3337580), (160, 2670064), (218, 1959680), (256, 1668790), (320, 1335032), (436, 979840), (512, 834395), (545, 783872), (640, 667516), (872, 489920), (1090, 391936), (1280, 333758), (1531, 279040), (1744, 244960), (2180, 195968), (2560, 166879), (3062, 139520), (3488, 122480), (4360, 97984), (6124, 69760), (6976, 61240), (7655, 55808), (8720, 48992), (12248, 34880), (13952, 30620), (15310, 27904), (17440, 24496)]