12981360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{7727}}^1$

素因数の和:7750

約数の個数: 80

約数和(自身を含む): 45997056

約数和(自身を除く): 33015696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 7727, 15454, 23181, 30908, 38635, 46362, 54089, 61816, 77270, 92724, 108178, 115905, 123632, 154540, 162267, 185448, 216356, 231810, 270445, 309080, 324534, 370896, 432712, 463620, 540890, 618160, 649068, 811335, 865424, 927240, 1081780, 1298136, 1622670, 1854480, 2163560, 2596272, 3245340, 4327120, 6490680, 12981360]

約数ペア:

[(1, 12981360), (2, 6490680), (3, 4327120), (4, 3245340), (5, 2596272), (6, 2163560), (7, 1854480), (8, 1622670), (10, 1298136), (12, 1081780), (14, 927240), (15, 865424), (16, 811335), (20, 649068), (21, 618160), (24, 540890), (28, 463620), (30, 432712), (35, 370896), (40, 324534), (42, 309080), (48, 270445), (56, 231810), (60, 216356), (70, 185448), (80, 162267), (84, 154540), (105, 123632), (112, 115905), (120, 108178), (140, 92724), (168, 77270), (210, 61816), (240, 54089), (280, 46362), (336, 38635), (420, 30908), (560, 23181), (840, 15454), (1680, 7727)]