81864690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3733}}^1$

素因数の和:3803

約数の個数: 64

約数和(自身を含む): 212927616

約数和(自身を除く): 131062926

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 43, 51, 85, 86, 102, 129, 170, 215, 255, 258, 430, 510, 645, 731, 1290, 1462, 2193, 3655, 3733, 4386, 7310, 7466, 10965, 11199, 18665, 21930, 22398, 37330, 55995, 63461, 111990, 126922, 160519, 190383, 317305, 321038, 380766, 481557, 634610, 802595, 951915, 963114, 1605190, 1903830, 2407785, 2728823, 4815570, 5457646, 8186469, 13644115, 16372938, 27288230, 40932345, 81864690]

約数ペア:

[(1, 81864690), (2, 40932345), (3, 27288230), (5, 16372938), (6, 13644115), (10, 8186469), (15, 5457646), (17, 4815570), (30, 2728823), (34, 2407785), (43, 1903830), (51, 1605190), (85, 963114), (86, 951915), (102, 802595), (129, 634610), (170, 481557), (215, 380766), (255, 321038), (258, 317305), (430, 190383), (510, 160519), (645, 126922), (731, 111990), (1290, 63461), (1462, 55995), (2193, 37330), (3655, 22398), (3733, 21930), (4386, 18665), (7310, 11199), (7466, 10965)]