61647390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{1997}}^1$

素因数の和:2031

約数の個数: 96

約数和(自身を含む): 187012800

約数和(自身を除く): 125365410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 343, 441, 490, 630, 686, 735, 882, 1029, 1470, 1715, 1997, 2058, 2205, 3087, 3430, 3994, 4410, 5145, 5991, 6174, 9985, 10290, 11982, 13979, 15435, 17973, 19970, 27958, 29955, 30870, 35946, 41937, 59910, 69895, 83874, 89865, 97853, 125811, 139790, 179730, 195706, 209685, 251622, 293559, 419370, 489265, 587118, 629055, 684971, 880677, 978530, 1258110, 1369942, 1467795, 1761354, 2054913, 2935590, 3424855, 4109826, 4403385, 6164739, 6849710, 8806770, 10274565, 12329478, 20549130, 30823695, 61647390]

約数ペア:

[(1, 61647390), (2, 30823695), (3, 20549130), (5, 12329478), (6, 10274565), (7, 8806770), (9, 6849710), (10, 6164739), (14, 4403385), (15, 4109826), (18, 3424855), (21, 2935590), (30, 2054913), (35, 1761354), (42, 1467795), (45, 1369942), (49, 1258110), (63, 978530), (70, 880677), (90, 684971), (98, 629055), (105, 587118), (126, 489265), (147, 419370), (210, 293559), (245, 251622), (294, 209685), (315, 195706), (343, 179730), (441, 139790), (490, 125811), (630, 97853), (686, 89865), (735, 83874), (882, 69895), (1029, 59910), (1470, 41937), (1715, 35946), (1997, 30870), (2058, 29955), (2205, 27958), (3087, 19970), (3430, 17973), (3994, 15435), (4410, 13979), (5145, 11982), (5991, 10290), (6174, 9985)]