1287741240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12821}}^1$

素因数の和:12875

約数の個数: 160

約数和(自身を含む): 4468210560

約数和(自身を除く): 3180469320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 540, 558, 620, 648, 744, 810, 837, 930, 1080, 1116, 1240, 1395, 1620, 1674, 1860, 2232, 2511, 2790, 3240, 3348, 3720, 4185, 5022, 5580, 6696, 8370, 10044, 11160, 12555, 12821, 16740, 20088, 25110, 25642, 33480, 38463, 50220, 51284, 64105, 76926, 100440, 102568, 115389, 128210, 153852, 192315, 230778, 256420, 307704, 346167, 384630, 397451, 461556, 512840, 576945, 692334, 769260, 794902, 923112, 1038501, 1153890, 1192353, 1384668, 1538520, 1589804, 1730835, 1987255, 2077002, 2307780, 2384706, 2769336, 3179608, 3461670, 3577059, 3974510, 4154004, 4615560, 4769412, 5192505, 5961765, 6923340, 7154118, 7949020, 8308008, 9538824, 10385010, 10731177, 11923530, 13846680, 14308236, 15898040, 17885295, 20770020, 21462354, 23847060, 28616472, 32193531, 35770590, 41540040, 42924708, 47694120, 53655885, 64387062, 71541180, 85849416, 107311770, 128774124, 143082360, 160967655, 214623540, 257548248, 321935310, 429247080, 643870620, 1287741240]

約数ペア:

[(1, 1287741240), (2, 643870620), (3, 429247080), (4, 321935310), (5, 257548248), (6, 214623540), (8, 160967655), (9, 143082360), (10, 128774124), (12, 107311770), (15, 85849416), (18, 71541180), (20, 64387062), (24, 53655885), (27, 47694120), (30, 42924708), (31, 41540040), (36, 35770590), (40, 32193531), (45, 28616472), (54, 23847060), (60, 21462354), (62, 20770020), (72, 17885295), (81, 15898040), (90, 14308236), (93, 13846680), (108, 11923530), (120, 10731177), (124, 10385010), (135, 9538824), (155, 8308008), (162, 7949020), (180, 7154118), (186, 6923340), (216, 5961765), (248, 5192505), (270, 4769412), (279, 4615560), (310, 4154004), (324, 3974510), (360, 3577059), (372, 3461670), (405, 3179608), (465, 2769336), (540, 2384706), (558, 2307780), (620, 2077002), (648, 1987255), (744, 1730835), (810, 1589804), (837, 1538520), (930, 1384668), (1080, 1192353), (1116, 1153890), (1240, 1038501), (1395, 923112), (1620, 794902), (1674, 769260), (1860, 692334), (2232, 576945), (2511, 512840), (2790, 461556), (3240, 397451), (3348, 384630), (3720, 346167), (4185, 307704), (5022, 256420), (5580, 230778), (6696, 192315), (8370, 153852), (10044, 128210), (11160, 115389), (12555, 102568), (12821, 100440), (16740, 76926), (20088, 64105), (25110, 51284), (25642, 50220), (33480, 38463)]