65721660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64433}}^1$

素因数の和:64462

約数の個数: 48

約数和(自身を含む): 194848416

約数和(自身を除く): 129126756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 64433, 128866, 193299, 257732, 322165, 386598, 644330, 773196, 966495, 1095361, 1288660, 1932990, 2190722, 3286083, 3865980, 4381444, 5476805, 6572166, 10953610, 13144332, 16430415, 21907220, 32860830, 65721660]

約数ペア:

[(1, 65721660), (2, 32860830), (3, 21907220), (4, 16430415), (5, 13144332), (6, 10953610), (10, 6572166), (12, 5476805), (15, 4381444), (17, 3865980), (20, 3286083), (30, 2190722), (34, 1932990), (51, 1288660), (60, 1095361), (68, 966495), (85, 773196), (102, 644330), (170, 386598), (204, 322165), (255, 257732), (340, 193299), (510, 128866), (1020, 64433)]