678810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1$

素因数の和:60

約数の個数: 64

約数和(自身を含む): 1897344

約数和(自身を除く): 1218534

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 121, 165, 170, 187, 242, 255, 330, 363, 374, 510, 561, 605, 726, 935, 1122, 1210, 1331, 1815, 1870, 2057, 2662, 2805, 3630, 3993, 4114, 5610, 6171, 6655, 7986, 10285, 12342, 13310, 19965, 20570, 22627, 30855, 39930, 45254, 61710, 67881, 113135, 135762, 226270, 339405, 678810]

約数ペア:

[(1, 678810), (2, 339405), (3, 226270), (5, 135762), (6, 113135), (10, 67881), (11, 61710), (15, 45254), (17, 39930), (22, 30855), (30, 22627), (33, 20570), (34, 19965), (51, 13310), (55, 12342), (66, 10285), (85, 7986), (102, 6655), (110, 6171), (121, 5610), (165, 4114), (170, 3993), (187, 3630), (242, 2805), (255, 2662), (330, 2057), (363, 1870), (374, 1815), (510, 1331), (561, 1210), (605, 1122), (726, 935)]