64260075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 119599984

約数和(自身を除く): 55339909

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 73, 75, 97, 121, 165, 219, 275, 291, 363, 365, 485, 605, 803, 825, 1067, 1095, 1455, 1815, 1825, 2409, 2425, 3025, 3201, 4015, 5335, 5475, 7081, 7275, 8833, 9075, 11737, 12045, 16005, 20075, 21243, 26499, 26675, 35211, 35405, 44165, 58685, 60225, 77891, 80025, 106215, 132495, 176055, 177025, 220825, 233673, 293425, 389455, 531075, 662475, 856801, 880275, 1168365, 1947275, 2570403, 4284005, 5841825, 12852015, 21420025, 64260075]

約数ペア:

[(1, 64260075), (3, 21420025), (5, 12852015), (11, 5841825), (15, 4284005), (25, 2570403), (33, 1947275), (55, 1168365), (73, 880275), (75, 856801), (97, 662475), (121, 531075), (165, 389455), (219, 293425), (275, 233673), (291, 220825), (363, 177025), (365, 176055), (485, 132495), (605, 106215), (803, 80025), (825, 77891), (1067, 60225), (1095, 58685), (1455, 44165), (1815, 35405), (1825, 35211), (2409, 26675), (2425, 26499), (3025, 21243), (3201, 20075), (4015, 16005), (5335, 12045), (5475, 11737), (7081, 9075), (7275, 8833)]