1989541260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1579001}}^1$

素因数の和:1579023

約数の個数: 72

約数和(自身を含む): 6897080736

約数和(自身を除く): 4907539476

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, 1260, 1579001, 3158002, 4737003, 6316004, 7895005, 9474006, 11053007, 14211009, 15790010, 18948012, 22106014, 23685015, 28422018, 31580020, 33159021, 44212028, 47370030, 55265035, 56844036, 66318042, 71055045, 94740060, 99477063, 110530070, 132636084, 142110090, 165795105, 198954126, 221060140, 284220180, 331590210, 397908252, 497385315, 663180420, 994770630, 1989541260]

約数ペア:

[(1, 1989541260), (2, 994770630), (3, 663180420), (4, 497385315), (5, 397908252), (6, 331590210), (7, 284220180), (9, 221060140), (10, 198954126), (12, 165795105), (14, 142110090), (15, 132636084), (18, 110530070), (20, 99477063), (21, 94740060), (28, 71055045), (30, 66318042), (35, 56844036), (36, 55265035), (42, 47370030), (45, 44212028), (60, 33159021), (63, 31580020), (70, 28422018), (84, 23685015), (90, 22106014), (105, 18948012), (126, 15790010), (140, 14211009), (180, 11053007), (210, 9474006), (252, 7895005), (315, 6316004), (420, 4737003), (630, 3158002), (1260, 1579001)]