91280960

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2617}}^1$

素因数の和:2743

約数の個数: 56

約数和(自身を含む): 219440760

約数和(自身を除く): 128159800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 2617, 3488, 4360, 5234, 6976, 8720, 10468, 13085, 17440, 20936, 26170, 34880, 41872, 52340, 83744, 104680, 167488, 209360, 285253, 418720, 570506, 837440, 1141012, 1426265, 2282024, 2852530, 4564048, 5705060, 9128096, 11410120, 18256192, 22820240, 45640480, 91280960]

約数ペア:

[(1, 91280960), (2, 45640480), (4, 22820240), (5, 18256192), (8, 11410120), (10, 9128096), (16, 5705060), (20, 4564048), (32, 2852530), (40, 2282024), (64, 1426265), (80, 1141012), (109, 837440), (160, 570506), (218, 418720), (320, 285253), (436, 209360), (545, 167488), (872, 104680), (1090, 83744), (1744, 52340), (2180, 41872), (2617, 34880), (3488, 26170), (4360, 20936), (5234, 17440), (6976, 13085), (8720, 10468)]