About the Number

30978960

30978959 ← → 30978961

2進数表記:1110110001011001110010000

漢数字表記:三千九十七万八千九百六十

素因数分解:

2 4 × 3 1 × 5 1 × 29 1 × 4451 1

素因数の和:4496
約数の個数: 80
約数和(自身を含む): 99368640
約数和(自身を除く): 68389680

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 4451, 6960, 8902, 13353, 17804, 22255, 26706, 35608, 44510, 53412, 66765, 71216, 89020, 106824, 129079, 133530, 178040, 213648, 258158, 267060, 356080, 387237, 516316, 534120, 645395, 774474, 1032632, 1068240, 1290790, 1548948, 1936185, 2065264, 2581580, 3097896, 3872370, 5163160, 6195792, 7744740, 10326320, 15489480, 30978960]

約数ペア:
[(1, 30978960), (2, 15489480), (3, 10326320), (4, 7744740), (5, 6195792), (6, 5163160), (8, 3872370), (10, 3097896), (12, 2581580), (15, 2065264), (16, 1936185), (20, 1548948), (24, 1290790), (29, 1068240), (30, 1032632), (40, 774474), (48, 645395), (58, 534120), (60, 516316), (80, 387237), (87, 356080), (116, 267060), (120, 258158), (145, 213648), (174, 178040), (232, 133530), (240, 129079), (290, 106824), (348, 89020), (435, 71216), (464, 66765), (580, 53412), (696, 44510), (870, 35608), (1160, 26706), (1392, 22255), (1740, 17804), (2320, 13353), (3480, 8902), (4451, 6960)]

このpageの処理時間: 0.005745410919189453 seconds