20128140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1751

約数の個数: 72

約数和(自身を含む): 62003760

約数和(自身を除く): 41875620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 1669, 2010, 2412, 3015, 3338, 4020, 5007, 6030, 6676, 8345, 10014, 12060, 15021, 16690, 20028, 25035, 30042, 33380, 50070, 60084, 75105, 100140, 111823, 150210, 223646, 300420, 335469, 447292, 559115, 670938, 1006407, 1118230, 1341876, 1677345, 2012814, 2236460, 3354690, 4025628, 5032035, 6709380, 10064070, 20128140]

約数ペア:

[(1, 20128140), (2, 10064070), (3, 6709380), (4, 5032035), (5, 4025628), (6, 3354690), (9, 2236460), (10, 2012814), (12, 1677345), (15, 1341876), (18, 1118230), (20, 1006407), (30, 670938), (36, 559115), (45, 447292), (60, 335469), (67, 300420), (90, 223646), (134, 150210), (180, 111823), (201, 100140), (268, 75105), (335, 60084), (402, 50070), (603, 33380), (670, 30042), (804, 25035), (1005, 20028), (1206, 16690), (1340, 15021), (1669, 12060), (2010, 10014), (2412, 8345), (3015, 6676), (3338, 6030), (4020, 5007)]