64781760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67481}}^1$

素因数の和:67501

約数の個数: 56

約数和(自身を含む): 205685136

約数和(自身を除く): 140903376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 67481, 134962, 202443, 269924, 337405, 404886, 539848, 674810, 809772, 1012215, 1079696, 1349620, 1619544, 2024430, 2159392, 2699240, 3239088, 4048860, 4318784, 5398480, 6478176, 8097720, 10796960, 12956352, 16195440, 21593920, 32390880, 64781760]

約数ペア:

[(1, 64781760), (2, 32390880), (3, 21593920), (4, 16195440), (5, 12956352), (6, 10796960), (8, 8097720), (10, 6478176), (12, 5398480), (15, 4318784), (16, 4048860), (20, 3239088), (24, 2699240), (30, 2159392), (32, 2024430), (40, 1619544), (48, 1349620), (60, 1079696), (64, 1012215), (80, 809772), (96, 674810), (120, 539848), (160, 404886), (192, 337405), (240, 269924), (320, 202443), (480, 134962), (960, 67481)]