61778360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3617}}^1$

素因数の和:3696

約数の個数: 64

約数和(自身を含む): 161507520

約数和(自身を除く): 99729160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 3617, 4270, 7234, 8540, 14468, 17080, 18085, 25319, 28936, 36170, 50638, 72340, 101276, 126595, 144680, 202552, 220637, 253190, 441274, 506380, 882548, 1012760, 1103185, 1544459, 1765096, 2206370, 3088918, 4412740, 6177836, 7722295, 8825480, 12355672, 15444590, 30889180, 61778360]

約数ペア:

[(1, 61778360), (2, 30889180), (4, 15444590), (5, 12355672), (7, 8825480), (8, 7722295), (10, 6177836), (14, 4412740), (20, 3088918), (28, 2206370), (35, 1765096), (40, 1544459), (56, 1103185), (61, 1012760), (70, 882548), (122, 506380), (140, 441274), (244, 253190), (280, 220637), (305, 202552), (427, 144680), (488, 126595), (610, 101276), (854, 72340), (1220, 50638), (1708, 36170), (2135, 28936), (2440, 25319), (3416, 18085), (3617, 17080), (4270, 14468), (7234, 8540)]