71727420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{70321}}^1$

素因数の和:70350

約数の個数: 48

約数和(自身を含む): 212653728

約数和(自身を除く): 140926308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 70321, 140642, 210963, 281284, 351605, 421926, 703210, 843852, 1054815, 1195457, 1406420, 2109630, 2390914, 3586371, 4219260, 4781828, 5977285, 7172742, 11954570, 14345484, 17931855, 23909140, 35863710, 71727420]

約数ペア:

[(1, 71727420), (2, 35863710), (3, 23909140), (4, 17931855), (5, 14345484), (6, 11954570), (10, 7172742), (12, 5977285), (15, 4781828), (17, 4219260), (20, 3586371), (30, 2390914), (34, 2109630), (51, 1406420), (60, 1195457), (68, 1054815), (85, 843852), (102, 703210), (170, 421926), (204, 351605), (255, 281284), (340, 210963), (510, 140642), (1020, 70321)]