1561626400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{84871}}^1$

素因数の和:84914

約数の個数: 72

約数和(自身を含む): 3978120384

約数和(自身を除く): 2416493984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 1150, 1840, 2300, 3680, 4600, 9200, 18400, 84871, 169742, 339484, 424355, 678968, 848710, 1357936, 1697420, 1952033, 2121775, 2715872, 3394840, 3904066, 4243550, 6789680, 7808132, 8487100, 9760165, 13579360, 15616264, 16974200, 19520330, 31232528, 33948400, 39040660, 48800825, 62465056, 67896800, 78081320, 97601650, 156162640, 195203300, 312325280, 390406600, 780813200, 1561626400]

約数ペア:

[(1, 1561626400), (2, 780813200), (4, 390406600), (5, 312325280), (8, 195203300), (10, 156162640), (16, 97601650), (20, 78081320), (23, 67896800), (25, 62465056), (32, 48800825), (40, 39040660), (46, 33948400), (50, 31232528), (80, 19520330), (92, 16974200), (100, 15616264), (115, 13579360), (160, 9760165), (184, 8487100), (200, 7808132), (230, 6789680), (368, 4243550), (400, 3904066), (460, 3394840), (575, 2715872), (736, 2121775), (800, 1952033), (920, 1697420), (1150, 1357936), (1840, 848710), (2300, 678968), (3680, 424355), (4600, 339484), (9200, 169742), (18400, 84871)]