129300780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{307859}}^1$

素因数の和:307878

約数の個数: 48

約数和(自身を含む): 413763840

約数和(自身を除く): 284463060

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, 307859, 615718, 923577, 1231436, 1539295, 1847154, 2155013, 3078590, 3694308, 4310026, 4617885, 6157180, 6465039, 8620052, 9235770, 10775065, 12930078, 18471540, 21550130, 25860156, 32325195, 43100260, 64650390, 129300780]

約数ペア:

[(1, 129300780), (2, 64650390), (3, 43100260), (4, 32325195), (5, 25860156), (6, 21550130), (7, 18471540), (10, 12930078), (12, 10775065), (14, 9235770), (15, 8620052), (20, 6465039), (21, 6157180), (28, 4617885), (30, 4310026), (35, 3694308), (42, 3078590), (60, 2155013), (70, 1847154), (84, 1539295), (105, 1231436), (140, 923577), (210, 615718), (420, 307859)]