13121880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2600

約数の個数: 64

約数和(自身を含む): 40296960

約数和(自身を除く): 27175080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2543, 2580, 5086, 5160, 7629, 10172, 12715, 15258, 20344, 25430, 30516, 38145, 50860, 61032, 76290, 101720, 109349, 152580, 218698, 305160, 328047, 437396, 546745, 656094, 874792, 1093490, 1312188, 1640235, 2186980, 2624376, 3280470, 4373960, 6560940, 13121880]

約数ペア:

[(1, 13121880), (2, 6560940), (3, 4373960), (4, 3280470), (5, 2624376), (6, 2186980), (8, 1640235), (10, 1312188), (12, 1093490), (15, 874792), (20, 656094), (24, 546745), (30, 437396), (40, 328047), (43, 305160), (60, 218698), (86, 152580), (120, 109349), (129, 101720), (172, 76290), (215, 61032), (258, 50860), (344, 38145), (430, 30516), (516, 25430), (645, 20344), (860, 15258), (1032, 12715), (1290, 10172), (1720, 7629), (2543, 5160), (2580, 5086)]