127935780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{304609}}^1$

素因数の和:304628

約数の個数: 48

約数和(自身を含む): 409395840

約数和(自身を除く): 281460060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 304609, 609218, 913827, 1218436, 1523045, 1827654, 2132263, 3046090, 3655308, 4264526, 4569135, 6092180, 6396789, 8529052, 9138270, 10661315, 12793578, 18276540, 21322630, 25587156, 31983945, 42645260, 63967890, 127935780]

約数ペア:

[(1, 127935780), (2, 63967890), (3, 42645260), (4, 31983945), (5, 25587156), (6, 21322630), (7, 18276540), (10, 12793578), (12, 10661315), (14, 9138270), (15, 8529052), (20, 6396789), (21, 6092180), (28, 4569135), (30, 4264526), (35, 3655308), (42, 3046090), (60, 2132263), (70, 1827654), (84, 1523045), (105, 1218436), (140, 913827), (210, 609218), (420, 304609)]