280261080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:823

約数の個数: 256

約数和(自身を含む): 1053388800

約数和(自身を除く): 773127720

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, 88, 90, 93, 99, 108, 110, 120, 124, 132, 135, 155, 165, 180, 186, 198, 216, 220, 248, 264, 270, 279, 297, 310, 330, 341, 360, 372, 396, 440, 465, 495, 540, 558, 594, 620, 660, 682, 744, 761, 792, 837, 930, 990, 1023, 1080, 1116, 1188, 1240, 1320, 1364, 1395, 1485, 1522, 1674, 1705, 1860, 1980, 2046, 2232, 2283, 2376, 2728, 2790, 2970, 3044, 3069, 3348, 3410, 3720, 3805, 3960, 4092, 4185, 4566, 5115, 5580, 5940, 6088, 6138, 6696, 6820, 6849, 7610, 8184, 8370, 8371, 9132, 9207, 10230, 11160, 11415, 11880, 12276, 13640, 13698, 15220, 15345, 16740, 16742, 18264, 18414, 20460, 20547, 22830, 23591, 24552, 25113, 27396, 30440, 30690, 33480, 33484, 34245, 36828, 40920, 41094, 41855, 45660, 46035, 47182, 50226, 54792, 61380, 66968, 68490, 70773, 73656, 75339, 82188, 83710, 91320, 92070, 94364, 100452, 102735, 117955, 122760, 125565, 136980, 141546, 150678, 164376, 167420, 184140, 188728, 200904, 205470, 212319, 226017, 235910, 251130, 259501, 273960, 283092, 301356, 334840, 353865, 368280, 376695, 410940, 424638, 452034, 471820, 502260, 519002, 566184, 602712, 636957, 707730, 753390, 778503, 821880, 849276, 904068, 943640, 1004520, 1038004, 1061595, 1130085, 1273914, 1297505, 1415460, 1506780, 1557006, 1698552, 1808136, 2076008, 2123190, 2260170, 2335509, 2547828, 2595010, 2830920, 3013560, 3114012, 3184785, 3892515, 4246380, 4520340, 4671018, 5095656, 5190020, 6228024, 6369570, 7006527, 7785030, 8492760, 9040680, 9342036, 10380040, 11677545, 12739140, 14013054, 15570060, 18684072, 23355090, 25478280, 28026108, 31140120, 35032635, 46710180, 56052216, 70065270, 93420360, 140130540, 280261080]

約数ペア:

[(1, 280261080), (2, 140130540), (3, 93420360), (4, 70065270), (5, 56052216), (6, 46710180), (8, 35032635), (9, 31140120), (10, 28026108), (11, 25478280), (12, 23355090), (15, 18684072), (18, 15570060), (20, 14013054), (22, 12739140), (24, 11677545), (27, 10380040), (30, 9342036), (31, 9040680), (33, 8492760), (36, 7785030), (40, 7006527), (44, 6369570), (45, 6228024), (54, 5190020), (55, 5095656), (60, 4671018), (62, 4520340), (66, 4246380), (72, 3892515), (88, 3184785), (90, 3114012), (93, 3013560), (99, 2830920), (108, 2595010), (110, 2547828), (120, 2335509), (124, 2260170), (132, 2123190), (135, 2076008), (155, 1808136), (165, 1698552), (180, 1557006), (186, 1506780), (198, 1415460), (216, 1297505), (220, 1273914), (248, 1130085), (264, 1061595), (270, 1038004), (279, 1004520), (297, 943640), (310, 904068), (330, 849276), (341, 821880), (360, 778503), (372, 753390), (396, 707730), (440, 636957), (465, 602712), (495, 566184), (540, 519002), (558, 502260), (594, 471820), (620, 452034), (660, 424638), (682, 410940), (744, 376695), (761, 368280), (792, 353865), (837, 334840), (930, 301356), (990, 283092), (1023, 273960), (1080, 259501), (1116, 251130), (1188, 235910), (1240, 226017), (1320, 212319), (1364, 205470), (1395, 200904), (1485, 188728), (1522, 184140), (1674, 167420), (1705, 164376), (1860, 150678), (1980, 141546), (2046, 136980), (2232, 125565), (2283, 122760), (2376, 117955), (2728, 102735), (2790, 100452), (2970, 94364), (3044, 92070), (3069, 91320), (3348, 83710), (3410, 82188), (3720, 75339), (3805, 73656), (3960, 70773), (4092, 68490), (4185, 66968), (4566, 61380), (5115, 54792), (5580, 50226), (5940, 47182), (6088, 46035), (6138, 45660), (6696, 41855), (6820, 41094), (6849, 40920), (7610, 36828), (8184, 34245), (8370, 33484), (8371, 33480), (9132, 30690), (9207, 30440), (10230, 27396), (11160, 25113), (11415, 24552), (11880, 23591), (12276, 22830), (13640, 20547), (13698, 20460), (15220, 18414), (15345, 18264), (16740, 16742)]