1345366980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{3739}}^1$

素因数の和:5753

約数の個数: 72

約数和(自身を含む): 4084080000

約数和(自身を除く): 2738713020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1999, 3739, 3998, 5997, 7478, 7996, 9995, 11217, 11994, 14956, 17991, 18695, 19990, 22434, 23988, 29985, 33651, 35982, 37390, 39980, 44868, 56085, 59970, 67302, 71964, 74780, 89955, 112170, 119940, 134604, 168255, 179910, 224340, 336510, 359820, 673020, 7474261, 14948522, 22422783, 29897044, 37371305, 44845566, 67268349, 74742610, 89691132, 112113915, 134536698, 149485220, 224227830, 269073396, 336341745, 448455660, 672683490, 1345366980]

約数ペア:

[(1, 1345366980), (2, 672683490), (3, 448455660), (4, 336341745), (5, 269073396), (6, 224227830), (9, 149485220), (10, 134536698), (12, 112113915), (15, 89691132), (18, 74742610), (20, 67268349), (30, 44845566), (36, 37371305), (45, 29897044), (60, 22422783), (90, 14948522), (180, 7474261), (1999, 673020), (3739, 359820), (3998, 336510), (5997, 224340), (7478, 179910), (7996, 168255), (9995, 134604), (11217, 119940), (11994, 112170), (14956, 89955), (17991, 74780), (18695, 71964), (19990, 67302), (22434, 59970), (23988, 56085), (29985, 44868), (33651, 39980), (35982, 37390)]