664689930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1391

約数の個数: 64

約数和(自身を含む): 1624520448

約数和(自身を除く): 959830518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 313, 355, 426, 626, 710, 939, 997, 1065, 1565, 1878, 1994, 2130, 2991, 3130, 4695, 4985, 5982, 9390, 9970, 14955, 22223, 29910, 44446, 66669, 70787, 111115, 133338, 141574, 212361, 222230, 312061, 333345, 353935, 424722, 624122, 666690, 707870, 936183, 1061805, 1560305, 1872366, 2123610, 3120610, 4680915, 9361830, 22156331, 44312662, 66468993, 110781655, 132937986, 221563310, 332344965, 664689930]

約数ペア:

[(1, 664689930), (2, 332344965), (3, 221563310), (5, 132937986), (6, 110781655), (10, 66468993), (15, 44312662), (30, 22156331), (71, 9361830), (142, 4680915), (213, 3120610), (313, 2123610), (355, 1872366), (426, 1560305), (626, 1061805), (710, 936183), (939, 707870), (997, 666690), (1065, 624122), (1565, 424722), (1878, 353935), (1994, 333345), (2130, 312061), (2991, 222230), (3130, 212361), (4695, 141574), (4985, 133338), (5982, 111115), (9390, 70787), (9970, 66669), (14955, 44446), (22223, 29910)]