About the Number
30990840
2進数表記:1110110001110000111111000
漢数字表記:三千九十九万八百四十
素因数分解:
素因数の和:2672
約数の個数: 64
約数和(自身を含む): 93929760
約数和(自身を除く): 62938920
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 2557, 3030, 4040, 5114, 6060, 7671, 10228, 12120, 12785, 15342, 20456, 25570, 30684, 38355, 51140, 61368, 76710, 102280, 153420, 258257, 306840, 516514, 774771, 1033028, 1291285, 1549542, 2066056, 2582570, 3099084, 3873855, 5165140, 6198168, 7747710, 10330280, 15495420, 30990840]
約数ペア:
[(1, 30990840), (2, 15495420), (3, 10330280), (4, 7747710), (5, 6198168), (6, 5165140), (8, 3873855), (10, 3099084), (12, 2582570), (15, 2066056), (20, 1549542), (24, 1291285), (30, 1033028), (40, 774771), (60, 516514), (101, 306840), (120, 258257), (202, 153420), (303, 102280), (404, 76710), (505, 61368), (606, 51140), (808, 38355), (1010, 30684), (1212, 25570), (1515, 20456), (2020, 15342), (2424, 12785), (2557, 12120), (3030, 10228), (4040, 7671), (5114, 6060)]このpageの処理時間: 0.005506038665771484 seconds