257427720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 320

約数和(自身を含む): 978531840

約数和(自身を除く): 721104120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 31, 33, 36, 40, 44, 45, 54, 55, 60, 62, 66, 72, 81, 88, 90, 93, 99, 108, 110, 120, 124, 132, 135, 155, 162, 165, 180, 186, 198, 216, 220, 233, 248, 264, 270, 279, 297, 310, 324, 330, 341, 360, 372, 396, 405, 440, 465, 466, 495, 540, 558, 594, 620, 648, 660, 682, 699, 744, 792, 810, 837, 891, 930, 932, 990, 1023, 1080, 1116, 1165, 1188, 1240, 1320, 1364, 1395, 1398, 1485, 1620, 1674, 1705, 1782, 1860, 1864, 1980, 2046, 2097, 2232, 2330, 2376, 2511, 2563, 2728, 2790, 2796, 2970, 3069, 3240, 3348, 3410, 3495, 3564, 3720, 3960, 4092, 4185, 4194, 4455, 4660, 5022, 5115, 5126, 5580, 5592, 5940, 6138, 6291, 6696, 6820, 6990, 7128, 7223, 7689, 8184, 8370, 8388, 8910, 9207, 9320, 10044, 10230, 10252, 10485, 11160, 11880, 12276, 12555, 12582, 12815, 13640, 13980, 14446, 15345, 15378, 16740, 16776, 17820, 18414, 18873, 20088, 20460, 20504, 20970, 21669, 23067, 24552, 25110, 25164, 25630, 27621, 27960, 28892, 30690, 30756, 31455, 33480, 35640, 36115, 36828, 37746, 38445, 40920, 41940, 43338, 46035, 46134, 50220, 50328, 51260, 55242, 57784, 61380, 61512, 62910, 65007, 69201, 72230, 73656, 75492, 76890, 79453, 83880, 86676, 92070, 92268, 94365, 100440, 102520, 108345, 110484, 115335, 122760, 125820, 130014, 138105, 138402, 144460, 150984, 153780, 158906, 173352, 184140, 184536, 188730, 195021, 207603, 216690, 220968, 230670, 238359, 251640, 260028, 276210, 276804, 288920, 307560, 317812, 325035, 346005, 368280, 377460, 390042, 397265, 415206, 433380, 461340, 476718, 520056, 552420, 553608, 585063, 635624, 650070, 692010, 715077, 754920, 780084, 794530, 830412, 866760, 922680, 953436, 975105, 1038015, 1104840, 1170126, 1191795, 1300140, 1384020, 1430154, 1560168, 1589060, 1660824, 1906872, 1950210, 2076030, 2145231, 2340252, 2383590, 2600280, 2768040, 2860308, 2925315, 3178120, 3575385, 3900420, 4152060, 4290462, 4680504, 4767180, 5720616, 5850630, 6435693, 7150770, 7800840, 8304120, 8580924, 9534360, 10726155, 11701260, 12871386, 14301540, 17161848, 21452310, 23402520, 25742772, 28603080, 32178465, 42904620, 51485544, 64356930, 85809240, 128713860, 257427720]

約数ペア:

[(1, 257427720), (2, 128713860), (3, 85809240), (4, 64356930), (5, 51485544), (6, 42904620), (8, 32178465), (9, 28603080), (10, 25742772), (11, 23402520), (12, 21452310), (15, 17161848), (18, 14301540), (20, 12871386), (22, 11701260), (24, 10726155), (27, 9534360), (30, 8580924), (31, 8304120), (33, 7800840), (36, 7150770), (40, 6435693), (44, 5850630), (45, 5720616), (54, 4767180), (55, 4680504), (60, 4290462), (62, 4152060), (66, 3900420), (72, 3575385), (81, 3178120), (88, 2925315), (90, 2860308), (93, 2768040), (99, 2600280), (108, 2383590), (110, 2340252), (120, 2145231), (124, 2076030), (132, 1950210), (135, 1906872), (155, 1660824), (162, 1589060), (165, 1560168), (180, 1430154), (186, 1384020), (198, 1300140), (216, 1191795), (220, 1170126), (233, 1104840), (248, 1038015), (264, 975105), (270, 953436), (279, 922680), (297, 866760), (310, 830412), (324, 794530), (330, 780084), (341, 754920), (360, 715077), (372, 692010), (396, 650070), (405, 635624), (440, 585063), (465, 553608), (466, 552420), (495, 520056), (540, 476718), (558, 461340), (594, 433380), (620, 415206), (648, 397265), (660, 390042), (682, 377460), (699, 368280), (744, 346005), (792, 325035), (810, 317812), (837, 307560), (891, 288920), (930, 276804), (932, 276210), (990, 260028), (1023, 251640), (1080, 238359), (1116, 230670), (1165, 220968), (1188, 216690), (1240, 207603), (1320, 195021), (1364, 188730), (1395, 184536), (1398, 184140), (1485, 173352), (1620, 158906), (1674, 153780), (1705, 150984), (1782, 144460), (1860, 138402), (1864, 138105), (1980, 130014), (2046, 125820), (2097, 122760), (2232, 115335), (2330, 110484), (2376, 108345), (2511, 102520), (2563, 100440), (2728, 94365), (2790, 92268), (2796, 92070), (2970, 86676), (3069, 83880), (3240, 79453), (3348, 76890), (3410, 75492), (3495, 73656), (3564, 72230), (3720, 69201), (3960, 65007), (4092, 62910), (4185, 61512), (4194, 61380), (4455, 57784), (4660, 55242), (5022, 51260), (5115, 50328), (5126, 50220), (5580, 46134), (5592, 46035), (5940, 43338), (6138, 41940), (6291, 40920), (6696, 38445), (6820, 37746), (6990, 36828), (7128, 36115), (7223, 35640), (7689, 33480), (8184, 31455), (8370, 30756), (8388, 30690), (8910, 28892), (9207, 27960), (9320, 27621), (10044, 25630), (10230, 25164), (10252, 25110), (10485, 24552), (11160, 23067), (11880, 21669), (12276, 20970), (12555, 20504), (12582, 20460), (12815, 20088), (13640, 18873), (13980, 18414), (14446, 17820), (15345, 16776), (15378, 16740)]