30136820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1289}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 72817920

約数和(自身を除く): 42681100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1289, 1670, 2338, 2578, 3340, 4676, 5156, 5845, 6445, 9023, 11690, 12890, 18046, 23380, 25780, 36092, 45115, 90230, 180460, 215263, 430526, 861052, 1076315, 1506841, 2152630, 3013682, 4305260, 6027364, 7534205, 15068410, 30136820]

約数ペア:

[(1, 30136820), (2, 15068410), (4, 7534205), (5, 6027364), (7, 4305260), (10, 3013682), (14, 2152630), (20, 1506841), (28, 1076315), (35, 861052), (70, 430526), (140, 215263), (167, 180460), (334, 90230), (668, 45115), (835, 36092), (1169, 25780), (1289, 23380), (1670, 18046), (2338, 12890), (2578, 11690), (3340, 9023), (4676, 6445), (5156, 5845)]