61554780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{997}}^1$

素因数の和:1033

約数の個数: 144

約数和(自身を含む): 217963200

約数和(自身を除く): 156408420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 997, 1029, 1260, 1372, 1470, 1715, 1764, 1994, 2058, 2205, 2940, 2991, 3087, 3430, 3988, 4116, 4410, 4985, 5145, 5982, 6174, 6860, 6979, 8820, 8973, 9970, 10290, 11964, 12348, 13958, 14955, 15435, 17946, 19940, 20580, 20937, 27916, 29910, 30870, 34895, 35892, 41874, 44865, 48853, 59820, 61740, 62811, 69790, 83748, 89730, 97706, 104685, 125622, 139580, 146559, 179460, 195412, 209370, 244265, 251244, 293118, 314055, 341971, 418740, 439677, 488530, 586236, 628110, 683942, 732795, 879354, 977060, 1025913, 1256220, 1367884, 1465590, 1709855, 1758708, 2051826, 2198385, 2931180, 3077739, 3419710, 4103652, 4396770, 5129565, 6155478, 6839420, 8793540, 10259130, 12310956, 15388695, 20518260, 30777390, 61554780]

約数ペア:

[(1, 61554780), (2, 30777390), (3, 20518260), (4, 15388695), (5, 12310956), (6, 10259130), (7, 8793540), (9, 6839420), (10, 6155478), (12, 5129565), (14, 4396770), (15, 4103652), (18, 3419710), (20, 3077739), (21, 2931180), (28, 2198385), (30, 2051826), (35, 1758708), (36, 1709855), (42, 1465590), (45, 1367884), (49, 1256220), (60, 1025913), (63, 977060), (70, 879354), (84, 732795), (90, 683942), (98, 628110), (105, 586236), (126, 488530), (140, 439677), (147, 418740), (180, 341971), (196, 314055), (210, 293118), (245, 251244), (252, 244265), (294, 209370), (315, 195412), (343, 179460), (420, 146559), (441, 139580), (490, 125622), (588, 104685), (630, 97706), (686, 89730), (735, 83748), (882, 69790), (980, 62811), (997, 61740), (1029, 59820), (1260, 48853), (1372, 44865), (1470, 41874), (1715, 35892), (1764, 34895), (1994, 30870), (2058, 29910), (2205, 27916), (2940, 20937), (2991, 20580), (3087, 19940), (3430, 17946), (3988, 15435), (4116, 14955), (4410, 13958), (4985, 12348), (5145, 11964), (5982, 10290), (6174, 9970), (6860, 8973), (6979, 8820)]