About the Number
12420840
2進数表記:101111011000011011101000
漢数字表記:千二百四十二万八百四十
素因数分解:
素因数の和:1266
約数の個数: 64
約数和(自身を含む): 37713600
約数和(自身を除く): 25292760
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1163, 1335, 1780, 2136, 2326, 2670, 3489, 3560, 4652, 5340, 5815, 6978, 9304, 10680, 11630, 13956, 17445, 23260, 27912, 34890, 46520, 69780, 103507, 139560, 207014, 310521, 414028, 517535, 621042, 828056, 1035070, 1242084, 1552605, 2070140, 2484168, 3105210, 4140280, 6210420, 12420840]
約数ペア:
[(1, 12420840), (2, 6210420), (3, 4140280), (4, 3105210), (5, 2484168), (6, 2070140), (8, 1552605), (10, 1242084), (12, 1035070), (15, 828056), (20, 621042), (24, 517535), (30, 414028), (40, 310521), (60, 207014), (89, 139560), (120, 103507), (178, 69780), (267, 46520), (356, 34890), (445, 27912), (534, 23260), (712, 17445), (890, 13956), (1068, 11630), (1163, 10680), (1335, 9304), (1780, 6978), (2136, 5815), (2326, 5340), (2670, 4652), (3489, 3560)]このpageの処理時間: 0.0038373470306396484 seconds