678424170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{739}}^1$

素因数の和:1251

約数の個数: 64

約数和(自身を含む): 1657221120

約数和(自身を除く): 978796950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 431, 710, 739, 862, 1065, 1293, 1478, 2130, 2155, 2217, 2586, 3695, 4310, 4434, 6465, 7390, 11085, 12930, 22170, 30601, 52469, 61202, 91803, 104938, 153005, 157407, 183606, 262345, 306010, 314814, 318509, 459015, 524690, 637018, 787035, 918030, 955527, 1574070, 1592545, 1911054, 3185090, 4777635, 9555270, 22614139, 45228278, 67842417, 113070695, 135684834, 226141390, 339212085, 678424170]

約数ペア:

[(1, 678424170), (2, 339212085), (3, 226141390), (5, 135684834), (6, 113070695), (10, 67842417), (15, 45228278), (30, 22614139), (71, 9555270), (142, 4777635), (213, 3185090), (355, 1911054), (426, 1592545), (431, 1574070), (710, 955527), (739, 918030), (862, 787035), (1065, 637018), (1293, 524690), (1478, 459015), (2130, 318509), (2155, 314814), (2217, 306010), (2586, 262345), (3695, 183606), (4310, 157407), (4434, 153005), (6465, 104938), (7390, 91803), (11085, 61202), (12930, 52469), (22170, 30601)]