1231020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{977}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 4271904

約数和(自身を除く): 3040884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 977, 1260, 1954, 2931, 3908, 4885, 5862, 6839, 8793, 9770, 11724, 13678, 14655, 17586, 19540, 20517, 27356, 29310, 34195, 35172, 41034, 43965, 58620, 61551, 68390, 82068, 87930, 102585, 123102, 136780, 175860, 205170, 246204, 307755, 410340, 615510, 1231020]

約数ペア:

[(1, 1231020), (2, 615510), (3, 410340), (4, 307755), (5, 246204), (6, 205170), (7, 175860), (9, 136780), (10, 123102), (12, 102585), (14, 87930), (15, 82068), (18, 68390), (20, 61551), (21, 58620), (28, 43965), (30, 41034), (35, 35172), (36, 34195), (42, 29310), (45, 27356), (60, 20517), (63, 19540), (70, 17586), (84, 14655), (90, 13678), (105, 11724), (126, 9770), (140, 8793), (180, 6839), (210, 5862), (252, 4885), (315, 3908), (420, 2931), (630, 1954), (977, 1260)]