About the Number

1261997880

1261997879 ← → 1261997881

2進数表記:1001011001110001000111100111000

漢数字表記:十二億六千百九十九万七千八百八十

素因数分解:

2 3 × 3 1 × 5 1 × 11 1 × 13 1 × 251 1 × 293 1

素因数の和:582
約数の個数: 256
約数和(自身を含む): 4480842240
約数和(自身を除く): 3218844360

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 251, 260, 264, 286, 293, 312, 330, 390, 429, 440, 502, 520, 572, 586, 660, 715, 753, 780, 858, 879, 1004, 1144, 1172, 1255, 1320, 1430, 1465, 1506, 1560, 1716, 1758, 2008, 2145, 2344, 2510, 2761, 2860, 2930, 3012, 3223, 3263, 3432, 3516, 3765, 3809, 4290, 4395, 5020, 5522, 5720, 5860, 6024, 6446, 6526, 7032, 7530, 7618, 8283, 8580, 8790, 9669, 9789, 10040, 11044, 11427, 11720, 12892, 13052, 13805, 15060, 15236, 16115, 16315, 16566, 17160, 17580, 19045, 19338, 19578, 22088, 22854, 25784, 26104, 27610, 30120, 30472, 32230, 32630, 33132, 35160, 35893, 38090, 38676, 39156, 41415, 41899, 45708, 48345, 48945, 55220, 57135, 64460, 65260, 66264, 71786, 73543, 76180, 77352, 78312, 82830, 83798, 91416, 96690, 97890, 107679, 110440, 114270, 125697, 128920, 130520, 143572, 147086, 152360, 165660, 167596, 179465, 193380, 195780, 209495, 215358, 220629, 228540, 251394, 287144, 294172, 331320, 335192, 358930, 367715, 386760, 391560, 418990, 430716, 441258, 457080, 502788, 538395, 588344, 628485, 717860, 735430, 808973, 837980, 861432, 882516, 956059, 1005576, 1076790, 1103145, 1256970, 1435720, 1470860, 1617946, 1675960, 1765032, 1912118, 2153580, 2206290, 2426919, 2513940, 2868177, 2941720, 3235892, 3824236, 4044865, 4307160, 4412580, 4780295, 4853838, 5027880, 5736354, 6471784, 7648472, 8089730, 8825160, 9560590, 9707676, 10516649, 11472708, 12134595, 14340885, 16179460, 19121180, 19415352, 21033298, 22945416, 24269190, 28681770, 31549947, 32358920, 38242360, 42066596, 48538380, 52583245, 57363540, 63099894, 84133192, 97076760, 105166490, 114727080, 126199788, 157749735, 210332980, 252399576, 315499470, 420665960, 630998940, 1261997880]

約数ペア:
[(1, 1261997880), (2, 630998940), (3, 420665960), (4, 315499470), (5, 252399576), (6, 210332980), (8, 157749735), (10, 126199788), (11, 114727080), (12, 105166490), (13, 97076760), (15, 84133192), (20, 63099894), (22, 57363540), (24, 52583245), (26, 48538380), (30, 42066596), (33, 38242360), (39, 32358920), (40, 31549947), (44, 28681770), (52, 24269190), (55, 22945416), (60, 21033298), (65, 19415352), (66, 19121180), (78, 16179460), (88, 14340885), (104, 12134595), (110, 11472708), (120, 10516649), (130, 9707676), (132, 9560590), (143, 8825160), (156, 8089730), (165, 7648472), (195, 6471784), (220, 5736354), (251, 5027880), (260, 4853838), (264, 4780295), (286, 4412580), (293, 4307160), (312, 4044865), (330, 3824236), (390, 3235892), (429, 2941720), (440, 2868177), (502, 2513940), (520, 2426919), (572, 2206290), (586, 2153580), (660, 1912118), (715, 1765032), (753, 1675960), (780, 1617946), (858, 1470860), (879, 1435720), (1004, 1256970), (1144, 1103145), (1172, 1076790), (1255, 1005576), (1320, 956059), (1430, 882516), (1465, 861432), (1506, 837980), (1560, 808973), (1716, 735430), (1758, 717860), (2008, 628485), (2145, 588344), (2344, 538395), (2510, 502788), (2761, 457080), (2860, 441258), (2930, 430716), (3012, 418990), (3223, 391560), (3263, 386760), (3432, 367715), (3516, 358930), (3765, 335192), (3809, 331320), (4290, 294172), (4395, 287144), (5020, 251394), (5522, 228540), (5720, 220629), (5860, 215358), (6024, 209495), (6446, 195780), (6526, 193380), (7032, 179465), (7530, 167596), (7618, 165660), (8283, 152360), (8580, 147086), (8790, 143572), (9669, 130520), (9789, 128920), (10040, 125697), (11044, 114270), (11427, 110440), (11720, 107679), (12892, 97890), (13052, 96690), (13805, 91416), (15060, 83798), (15236, 82830), (16115, 78312), (16315, 77352), (16566, 76180), (17160, 73543), (17580, 71786), (19045, 66264), (19338, 65260), (19578, 64460), (22088, 57135), (22854, 55220), (25784, 48945), (26104, 48345), (27610, 45708), (30120, 41899), (30472, 41415), (32230, 39156), (32630, 38676), (33132, 38090), (35160, 35893)]

このpageの処理時間: 0.4356837272644043 seconds