About the Number

28008720

28008719 ← → 28008721

2進数表記:1101010110110000100010000

漢数字表記:二千八百万八千七百二十

素因数分解:

2 4 × 3 3 × 5 1 × 12967 1

素因数の和:12989
約数の個数: 80
約数和(自身を含む): 96481920
約数和(自身を除く): 68473200

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 12967, 25934, 38901, 51868, 64835, 77802, 103736, 116703, 129670, 155604, 194505, 207472, 233406, 259340, 311208, 350109, 389010, 466812, 518680, 583515, 622416, 700218, 778020, 933624, 1037360, 1167030, 1400436, 1556040, 1750545, 1867248, 2334060, 2800872, 3112080, 3501090, 4668120, 5601744, 7002180, 9336240, 14004360, 28008720]

約数ペア:
[(1, 28008720), (2, 14004360), (3, 9336240), (4, 7002180), (5, 5601744), (6, 4668120), (8, 3501090), (9, 3112080), (10, 2800872), (12, 2334060), (15, 1867248), (16, 1750545), (18, 1556040), (20, 1400436), (24, 1167030), (27, 1037360), (30, 933624), (36, 778020), (40, 700218), (45, 622416), (48, 583515), (54, 518680), (60, 466812), (72, 389010), (80, 350109), (90, 311208), (108, 259340), (120, 233406), (135, 207472), (144, 194505), (180, 155604), (216, 129670), (240, 116703), (270, 103736), (360, 77802), (432, 64835), (540, 51868), (720, 38901), (1080, 25934), (2160, 12967)]

このpageの処理時間: 0.006511688232421875 seconds