81898110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^4\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 120

約数和(自身を含む): 249064920

約数和(自身を除く): 167166810

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, 379, 441, 490, 630, 686, 735, 758, 882, 1029, 1137, 1470, 1715, 1895, 2058, 2205, 2274, 2401, 2653, 3087, 3411, 3430, 3790, 4410, 4802, 5145, 5306, 5685, 6174, 6822, 7203, 7959, 10290, 11370, 12005, 13265, 14406, 15435, 15918, 17055, 18571, 21609, 23877, 24010, 26530, 30870, 34110, 36015, 37142, 39795, 43218, 47754, 55713, 72030, 79590, 92855, 108045, 111426, 119385, 129997, 167139, 185710, 216090, 238770, 259994, 278565, 334278, 389991, 557130, 649985, 779982, 835695, 909979, 1169973, 1299970, 1671390, 1819958, 1949955, 2339946, 2729937, 3899910, 4549895, 5459874, 5849865, 8189811, 9099790, 11699730, 13649685, 16379622, 27299370, 40949055, 81898110]

約数ペア:

[(1, 81898110), (2, 40949055), (3, 27299370), (5, 16379622), (6, 13649685), (7, 11699730), (9, 9099790), (10, 8189811), (14, 5849865), (15, 5459874), (18, 4549895), (21, 3899910), (30, 2729937), (35, 2339946), (42, 1949955), (45, 1819958), (49, 1671390), (63, 1299970), (70, 1169973), (90, 909979), (98, 835695), (105, 779982), (126, 649985), (147, 557130), (210, 389991), (245, 334278), (294, 278565), (315, 259994), (343, 238770), (379, 216090), (441, 185710), (490, 167139), (630, 129997), (686, 119385), (735, 111426), (758, 108045), (882, 92855), (1029, 79590), (1137, 72030), (1470, 55713), (1715, 47754), (1895, 43218), (2058, 39795), (2205, 37142), (2274, 36015), (2401, 34110), (2653, 30870), (3087, 26530), (3411, 24010), (3430, 23877), (3790, 21609), (4410, 18571), (4802, 17055), (5145, 15918), (5306, 15435), (5685, 14406), (6174, 13265), (6822, 12005), (7203, 11370), (7959, 10290)]