66911580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1481}}^1$

素因数の和:1747

約数の個数: 72

約数和(自身を含む): 203911344

約数和(自身を除く): 136999764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1481, 1506, 2259, 2510, 2962, 3012, 3765, 4443, 4518, 5020, 5924, 7405, 7530, 8886, 9036, 11295, 13329, 14810, 15060, 17772, 22215, 22590, 26658, 29620, 44430, 45180, 53316, 66645, 88860, 133290, 266580, 371731, 743462, 1115193, 1486924, 1858655, 2230386, 3345579, 3717310, 4460772, 5575965, 6691158, 7434620, 11151930, 13382316, 16727895, 22303860, 33455790, 66911580]

約数ペア:

[(1, 66911580), (2, 33455790), (3, 22303860), (4, 16727895), (5, 13382316), (6, 11151930), (9, 7434620), (10, 6691158), (12, 5575965), (15, 4460772), (18, 3717310), (20, 3345579), (30, 2230386), (36, 1858655), (45, 1486924), (60, 1115193), (90, 743462), (180, 371731), (251, 266580), (502, 133290), (753, 88860), (1004, 66645), (1255, 53316), (1481, 45180), (1506, 44430), (2259, 29620), (2510, 26658), (2962, 22590), (3012, 22215), (3765, 17772), (4443, 15060), (4518, 14810), (5020, 13329), (5924, 11295), (7405, 9036), (7530, 8886)]