64201860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20981}}^1$

素因数の和:21013

約数の個数: 72

約数和(自身を含む): 206211096

約数和(自身を除く): 142009236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 20981, 41962, 62943, 83924, 104905, 125886, 188829, 209810, 251772, 314715, 356677, 377658, 419620, 629430, 713354, 755316, 944145, 1070031, 1258860, 1426708, 1783385, 1888290, 2140062, 3210093, 3566770, 3776580, 4280124, 5350155, 6420186, 7133540, 10700310, 12840372, 16050465, 21400620, 32100930, 64201860]

約数ペア:

[(1, 64201860), (2, 32100930), (3, 21400620), (4, 16050465), (5, 12840372), (6, 10700310), (9, 7133540), (10, 6420186), (12, 5350155), (15, 4280124), (17, 3776580), (18, 3566770), (20, 3210093), (30, 2140062), (34, 1888290), (36, 1783385), (45, 1426708), (51, 1258860), (60, 1070031), (68, 944145), (85, 755316), (90, 713354), (102, 629430), (153, 419620), (170, 377658), (180, 356677), (204, 314715), (255, 251772), (306, 209810), (340, 188829), (510, 125886), (612, 104905), (765, 83924), (1020, 62943), (1530, 41962), (3060, 20981)]