280234080

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{3089}}^1$

素因数の和:3123

約数の個数: 240

約数和(自身を含む): 1130643360

約数和(自身を除く): 850409280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3089, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6178, 6480, 7560, 9072, 9267, 10080, 11340, 12356, 12960, 15120, 15445, 18144, 18534, 21623, 22680, 24712, 27801, 30240, 30890, 37068, 43246, 45360, 46335, 49424, 55602, 61780, 64869, 74136, 83403, 86492, 90720, 92670, 98848, 108115, 111204, 123560, 129738, 139005, 148272, 166806, 172984, 185340, 194607, 216230, 222408, 247120, 250209, 259476, 278010, 296544, 324345, 333612, 345968, 370680, 389214, 417015, 432460, 444816, 494240, 500418, 518952, 556020, 583821, 648690, 667224, 691936, 741360, 778428, 834030, 864920, 889632, 973035, 1000836, 1037904, 1112040, 1167642, 1251045, 1297380, 1334448, 1482720, 1556856, 1668060, 1729840, 1751463, 1946070, 2001672, 2075808, 2224080, 2335284, 2502090, 2594760, 2668896, 2919105, 3113712, 3336120, 3459680, 3502926, 3892140, 4003344, 4448160, 4670568, 5004180, 5189520, 5838210, 6227424, 6672240, 7005852, 7784280, 8006688, 8757315, 9341136, 10008360, 10379040, 11676420, 13344480, 14011704, 15568560, 17514630, 18682272, 20016720, 23352840, 28023408, 31137120, 35029260, 40033440, 46705680, 56046816, 70058520, 93411360, 140117040, 280234080]

約数ペア:

[(1, 280234080), (2, 140117040), (3, 93411360), (4, 70058520), (5, 56046816), (6, 46705680), (7, 40033440), (8, 35029260), (9, 31137120), (10, 28023408), (12, 23352840), (14, 20016720), (15, 18682272), (16, 17514630), (18, 15568560), (20, 14011704), (21, 13344480), (24, 11676420), (27, 10379040), (28, 10008360), (30, 9341136), (32, 8757315), (35, 8006688), (36, 7784280), (40, 7005852), (42, 6672240), (45, 6227424), (48, 5838210), (54, 5189520), (56, 5004180), (60, 4670568), (63, 4448160), (70, 4003344), (72, 3892140), (80, 3502926), (81, 3459680), (84, 3336120), (90, 3113712), (96, 2919105), (105, 2668896), (108, 2594760), (112, 2502090), (120, 2335284), (126, 2224080), (135, 2075808), (140, 2001672), (144, 1946070), (160, 1751463), (162, 1729840), (168, 1668060), (180, 1556856), (189, 1482720), (210, 1334448), (216, 1297380), (224, 1251045), (240, 1167642), (252, 1112040), (270, 1037904), (280, 1000836), (288, 973035), (315, 889632), (324, 864920), (336, 834030), (360, 778428), (378, 741360), (405, 691936), (420, 667224), (432, 648690), (480, 583821), (504, 556020), (540, 518952), (560, 500418), (567, 494240), (630, 444816), (648, 432460), (672, 417015), (720, 389214), (756, 370680), (810, 345968), (840, 333612), (864, 324345), (945, 296544), (1008, 278010), (1080, 259476), (1120, 250209), (1134, 247120), (1260, 222408), (1296, 216230), (1440, 194607), (1512, 185340), (1620, 172984), (1680, 166806), (1890, 148272), (2016, 139005), (2160, 129738), (2268, 123560), (2520, 111204), (2592, 108115), (2835, 98848), (3024, 92670), (3089, 90720), (3240, 86492), (3360, 83403), (3780, 74136), (4320, 64869), (4536, 61780), (5040, 55602), (5670, 49424), (6048, 46335), (6178, 45360), (6480, 43246), (7560, 37068), (9072, 30890), (9267, 30240), (10080, 27801), (11340, 24712), (12356, 22680), (12960, 21623), (15120, 18534), (15445, 18144)]