About the Number

30720340

30720339 ← → 30720341

2進数表記:1110101001100000101010100

漢数字表記:三千七十二万三百四十

素因数分解:

2 2 × 5 1 × 7 1 × 19 1 × 11549 1

素因数の和:11584
約数の個数: 48
約数和(自身を含む): 77616000
約数和(自身を除く): 46895660

約数列:
[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 11549, 23098, 46196, 57745, 80843, 115490, 161686, 219431, 230980, 323372, 404215, 438862, 808430, 877724, 1097155, 1536017, 1616860, 2194310, 3072034, 4388620, 6144068, 7680085, 15360170, 30720340]

約数ペア:
[(1, 30720340), (2, 15360170), (4, 7680085), (5, 6144068), (7, 4388620), (10, 3072034), (14, 2194310), (19, 1616860), (20, 1536017), (28, 1097155), (35, 877724), (38, 808430), (70, 438862), (76, 404215), (95, 323372), (133, 230980), (140, 219431), (190, 161686), (266, 115490), (380, 80843), (532, 57745), (665, 46196), (1330, 23098), (2660, 11549)]

このpageの処理時間: 0.004788398742675781 seconds