About the Number

12571020

12571019 ← → 12571021

2進数表記:101111111101000110001100

漢数字表記:千二百五十七万千二十

素因数分解:

2 2 × 3 2 × 5 1 × 7 1 × 11 1 × 907 1

素因数の和:940
約数の個数: 144
約数和(自身を含む): 47593728
約数和(自身を除く): 35022708

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 907, 924, 990, 1155, 1260, 1386, 1540, 1814, 1980, 2310, 2721, 2772, 3465, 3628, 4535, 4620, 5442, 6349, 6930, 8163, 9070, 9977, 10884, 12698, 13605, 13860, 16326, 18140, 19047, 19954, 25396, 27210, 29931, 31745, 32652, 38094, 39908, 40815, 49885, 54420, 57141, 59862, 63490, 69839, 76188, 81630, 89793, 95235, 99770, 114282, 119724, 126980, 139678, 149655, 163260, 179586, 190470, 199540, 209517, 228564, 279356, 285705, 299310, 349195, 359172, 380940, 419034, 448965, 571410, 598620, 628551, 698390, 838068, 897930, 1047585, 1142820, 1257102, 1396780, 1795860, 2095170, 2514204, 3142755, 4190340, 6285510, 12571020]

約数ペア:
[(1, 12571020), (2, 6285510), (3, 4190340), (4, 3142755), (5, 2514204), (6, 2095170), (7, 1795860), (9, 1396780), (10, 1257102), (11, 1142820), (12, 1047585), (14, 897930), (15, 838068), (18, 698390), (20, 628551), (21, 598620), (22, 571410), (28, 448965), (30, 419034), (33, 380940), (35, 359172), (36, 349195), (42, 299310), (44, 285705), (45, 279356), (55, 228564), (60, 209517), (63, 199540), (66, 190470), (70, 179586), (77, 163260), (84, 149655), (90, 139678), (99, 126980), (105, 119724), (110, 114282), (126, 99770), (132, 95235), (140, 89793), (154, 81630), (165, 76188), (180, 69839), (198, 63490), (210, 59862), (220, 57141), (231, 54420), (252, 49885), (308, 40815), (315, 39908), (330, 38094), (385, 32652), (396, 31745), (420, 29931), (462, 27210), (495, 25396), (630, 19954), (660, 19047), (693, 18140), (770, 16326), (907, 13860), (924, 13605), (990, 12698), (1155, 10884), (1260, 9977), (1386, 9070), (1540, 8163), (1814, 6930), (1980, 6349), (2310, 5442), (2721, 4620), (2772, 4535), (3465, 3628)]

このpageの処理時間: 0.0774836540222168 seconds