About the Number

57121280

57121279 ← → 57121281

2進数表記:11011001111001101000000000

漢数字表記:五千七百十二万千二百八十

素因数分解:

2 9 × 5 1 × 53 1 × 421 1

素因数の和:497
約数の個数: 80
約数和(自身を含む): 139872744
約数和(自身を除く): 82751464

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 421, 424, 512, 530, 640, 842, 848, 1060, 1280, 1684, 1696, 2105, 2120, 2560, 3368, 3392, 4210, 4240, 6736, 6784, 8420, 8480, 13472, 13568, 16840, 16960, 22313, 26944, 27136, 33680, 33920, 44626, 53888, 67360, 67840, 89252, 107776, 111565, 134720, 135680, 178504, 215552, 223130, 269440, 357008, 446260, 538880, 714016, 892520, 1077760, 1428032, 1785040, 2856064, 3570080, 5712128, 7140160, 11424256, 14280320, 28560640, 57121280]

約数ペア:
[(1, 57121280), (2, 28560640), (4, 14280320), (5, 11424256), (8, 7140160), (10, 5712128), (16, 3570080), (20, 2856064), (32, 1785040), (40, 1428032), (53, 1077760), (64, 892520), (80, 714016), (106, 538880), (128, 446260), (160, 357008), (212, 269440), (256, 223130), (265, 215552), (320, 178504), (421, 135680), (424, 134720), (512, 111565), (530, 107776), (640, 89252), (842, 67840), (848, 67360), (1060, 53888), (1280, 44626), (1684, 33920), (1696, 33680), (2105, 27136), (2120, 26944), (2560, 22313), (3368, 16960), (3392, 16840), (4210, 13568), (4240, 13472), (6736, 8480), (6784, 8420)]

このpageの処理時間: 0.07564997673034668 seconds