About the Number

81312210

81312209 ← → 81312211

2進数表記:100110110001011100111010010

漢数字表記:八千百三十一万二千二百十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 19 1 × 6793 1

素因数の和:6832
約数の個数: 96
約数和(自身を含む): 254367360
約数和(自身を除く): 173055150

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 3990, 5985, 6793, 11970, 13586, 20379, 33965, 40758, 47551, 61137, 67930, 95102, 101895, 122274, 129067, 142653, 203790, 237755, 258134, 285306, 305685, 387201, 427959, 475510, 611370, 645335, 713265, 774402, 855918, 903469, 1161603, 1290670, 1426530, 1806938, 1936005, 2139795, 2323206, 2710407, 3872010, 4279590, 4517345, 5420814, 5808015, 8131221, 9034690, 11616030, 13552035, 16262442, 27104070, 40656105, 81312210]

約数ペア:
[(1, 81312210), (2, 40656105), (3, 27104070), (5, 16262442), (6, 13552035), (7, 11616030), (9, 9034690), (10, 8131221), (14, 5808015), (15, 5420814), (18, 4517345), (19, 4279590), (21, 3872010), (30, 2710407), (35, 2323206), (38, 2139795), (42, 1936005), (45, 1806938), (57, 1426530), (63, 1290670), (70, 1161603), (90, 903469), (95, 855918), (105, 774402), (114, 713265), (126, 645335), (133, 611370), (171, 475510), (190, 427959), (210, 387201), (266, 305685), (285, 285306), (315, 258134), (342, 237755), (399, 203790), (570, 142653), (630, 129067), (665, 122274), (798, 101895), (855, 95102), (1197, 67930), (1330, 61137), (1710, 47551), (1995, 40758), (2394, 33965), (3990, 20379), (5985, 13586), (6793, 11970)]

このpageの処理時間: 0.005824565887451172 seconds