About the Number

2721420

2721419 ← → 2721421

2進数表記:1010011000011010001100

漢数字表記:二百七十二万千四百二十

素因数分解:

2 2 × 3 2 × 5 1 × 13 1 × 1163 1

素因数の和:1191
約数の個数: 72
約数和(自身を含む): 8897616
約数和(自身を除く): 6176196

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1163, 1170, 2326, 2340, 3489, 4652, 5815, 6978, 10467, 11630, 13956, 15119, 17445, 20934, 23260, 30238, 34890, 41868, 45357, 52335, 60476, 69780, 75595, 90714, 104670, 136071, 151190, 181428, 209340, 226785, 272142, 302380, 453570, 544284, 680355, 907140, 1360710, 2721420]

約数ペア:
[(1, 2721420), (2, 1360710), (3, 907140), (4, 680355), (5, 544284), (6, 453570), (9, 302380), (10, 272142), (12, 226785), (13, 209340), (15, 181428), (18, 151190), (20, 136071), (26, 104670), (30, 90714), (36, 75595), (39, 69780), (45, 60476), (52, 52335), (60, 45357), (65, 41868), (78, 34890), (90, 30238), (117, 23260), (130, 20934), (156, 17445), (180, 15119), (195, 13956), (234, 11630), (260, 10467), (390, 6978), (468, 5815), (585, 4652), (780, 3489), (1163, 2340), (1170, 2326)]

このpageの処理時間: 0.004053592681884766 seconds