720390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 1969920

約数和(自身を除く): 1249530

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 59, 66, 74, 110, 111, 118, 165, 177, 185, 222, 295, 330, 354, 370, 407, 555, 590, 649, 814, 885, 1110, 1221, 1298, 1770, 1947, 2035, 2183, 2442, 3245, 3894, 4070, 4366, 6105, 6490, 6549, 9735, 10915, 12210, 13098, 19470, 21830, 24013, 32745, 48026, 65490, 72039, 120065, 144078, 240130, 360195, 720390]

約数ペア:

[(1, 720390), (2, 360195), (3, 240130), (5, 144078), (6, 120065), (10, 72039), (11, 65490), (15, 48026), (22, 32745), (30, 24013), (33, 21830), (37, 19470), (55, 13098), (59, 12210), (66, 10915), (74, 9735), (110, 6549), (111, 6490), (118, 6105), (165, 4366), (177, 4070), (185, 3894), (222, 3245), (295, 2442), (330, 2183), (354, 2035), (370, 1947), (407, 1770), (555, 1298), (590, 1221), (649, 1110), (814, 885)]