About the Number

1286121240

1286121239 ← → 1286121241

2進数表記:1001100101010001010011100011000

漢数字表記:十二億八千六百十二万千二百四十

素因数分解:

2 3 × 3 5 × 5 1 × 307 1 × 431 1

素因数の和:764
約数の個数: 192
約数和(自身を含む): 4358914560
約数和(自身を除く): 3072793320

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 307, 324, 360, 405, 431, 486, 540, 614, 648, 810, 862, 921, 972, 1080, 1215, 1228, 1293, 1535, 1620, 1724, 1842, 1944, 2155, 2430, 2456, 2586, 2763, 3070, 3240, 3448, 3684, 3879, 4310, 4605, 4860, 5172, 5526, 6140, 6465, 7368, 7758, 8289, 8620, 9210, 9720, 10344, 11052, 11637, 12280, 12930, 13815, 15516, 16578, 17240, 18420, 19395, 22104, 23274, 24867, 25860, 27630, 31032, 33156, 34911, 36840, 38790, 41445, 46548, 49734, 51720, 55260, 58185, 66312, 69822, 74601, 77580, 82890, 93096, 99468, 104733, 110520, 116370, 124335, 132317, 139644, 149202, 155160, 165780, 174555, 198936, 209466, 232740, 248670, 264634, 279288, 298404, 331560, 349110, 373005, 396951, 418932, 465480, 497340, 523665, 529268, 596808, 661585, 698220, 746010, 793902, 837864, 994680, 1047330, 1058536, 1190853, 1323170, 1396440, 1492020, 1587804, 1984755, 2094660, 2381706, 2646340, 2984040, 3175608, 3572559, 3969510, 4189320, 4763412, 5292680, 5954265, 7145118, 7939020, 9526824, 10717677, 11908530, 14290236, 15878040, 17862795, 21435354, 23817060, 28580472, 32153031, 35725590, 42870708, 47634120, 53588385, 64306062, 71451180, 85741416, 107176770, 128612124, 142902360, 160765155, 214353540, 257224248, 321530310, 428707080, 643060620, 1286121240]

約数ペア:
[(1, 1286121240), (2, 643060620), (3, 428707080), (4, 321530310), (5, 257224248), (6, 214353540), (8, 160765155), (9, 142902360), (10, 128612124), (12, 107176770), (15, 85741416), (18, 71451180), (20, 64306062), (24, 53588385), (27, 47634120), (30, 42870708), (36, 35725590), (40, 32153031), (45, 28580472), (54, 23817060), (60, 21435354), (72, 17862795), (81, 15878040), (90, 14290236), (108, 11908530), (120, 10717677), (135, 9526824), (162, 7939020), (180, 7145118), (216, 5954265), (243, 5292680), (270, 4763412), (307, 4189320), (324, 3969510), (360, 3572559), (405, 3175608), (431, 2984040), (486, 2646340), (540, 2381706), (614, 2094660), (648, 1984755), (810, 1587804), (862, 1492020), (921, 1396440), (972, 1323170), (1080, 1190853), (1215, 1058536), (1228, 1047330), (1293, 994680), (1535, 837864), (1620, 793902), (1724, 746010), (1842, 698220), (1944, 661585), (2155, 596808), (2430, 529268), (2456, 523665), (2586, 497340), (2763, 465480), (3070, 418932), (3240, 396951), (3448, 373005), (3684, 349110), (3879, 331560), (4310, 298404), (4605, 279288), (4860, 264634), (5172, 248670), (5526, 232740), (6140, 209466), (6465, 198936), (7368, 174555), (7758, 165780), (8289, 155160), (8620, 149202), (9210, 139644), (9720, 132317), (10344, 124335), (11052, 116370), (11637, 110520), (12280, 104733), (12930, 99468), (13815, 93096), (15516, 82890), (16578, 77580), (17240, 74601), (18420, 69822), (19395, 66312), (22104, 58185), (23274, 55260), (24867, 51720), (25860, 49734), (27630, 46548), (31032, 41445), (33156, 38790), (34911, 36840)]

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