281900520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 256

約数和(自身を含む): 1044576000

約数和(自身を除く): 762675480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 61, 66, 72, 88, 90, 99, 108, 110, 120, 122, 132, 135, 165, 180, 183, 198, 216, 220, 244, 264, 270, 297, 305, 330, 360, 366, 389, 396, 440, 488, 495, 540, 549, 594, 610, 660, 671, 732, 778, 792, 915, 990, 1080, 1098, 1167, 1188, 1220, 1320, 1342, 1464, 1485, 1556, 1647, 1830, 1945, 1980, 2013, 2196, 2334, 2376, 2440, 2684, 2745, 2970, 3112, 3294, 3355, 3501, 3660, 3890, 3960, 4026, 4279, 4392, 4668, 5368, 5490, 5835, 5940, 6039, 6588, 6710, 7002, 7320, 7780, 8052, 8235, 8558, 9336, 10065, 10503, 10980, 11670, 11880, 12078, 12837, 13176, 13420, 14004, 15560, 16104, 16470, 17116, 17505, 18117, 20130, 21006, 21395, 21960, 23340, 23729, 24156, 25674, 26840, 28008, 30195, 32940, 34232, 35010, 36234, 38511, 40260, 42012, 42790, 46680, 47458, 48312, 51348, 52515, 60390, 64185, 65880, 70020, 71187, 72468, 77022, 80520, 84024, 85580, 90585, 94916, 102696, 105030, 115533, 118645, 120780, 128370, 140040, 142374, 144936, 154044, 171160, 181170, 189832, 192555, 210060, 213561, 231066, 237290, 241560, 256740, 261019, 284748, 308088, 355935, 362340, 385110, 420120, 427122, 462132, 474580, 513480, 522038, 569496, 577665, 640683, 711870, 724680, 770220, 783057, 854244, 924264, 949160, 1044076, 1067805, 1155330, 1281366, 1305095, 1423740, 1540440, 1566114, 1708488, 2088152, 2135610, 2310660, 2349171, 2562732, 2610190, 2847480, 3132228, 3203415, 3915285, 4271220, 4621320, 4698342, 5125464, 5220380, 6264456, 6406830, 7047513, 7830570, 8542440, 9396684, 10440760, 11745855, 12813660, 14095026, 15661140, 18793368, 23491710, 25627320, 28190052, 31322280, 35237565, 46983420, 56380104, 70475130, 93966840, 140950260, 281900520]

約数ペア:

[(1, 281900520), (2, 140950260), (3, 93966840), (4, 70475130), (5, 56380104), (6, 46983420), (8, 35237565), (9, 31322280), (10, 28190052), (11, 25627320), (12, 23491710), (15, 18793368), (18, 15661140), (20, 14095026), (22, 12813660), (24, 11745855), (27, 10440760), (30, 9396684), (33, 8542440), (36, 7830570), (40, 7047513), (44, 6406830), (45, 6264456), (54, 5220380), (55, 5125464), (60, 4698342), (61, 4621320), (66, 4271220), (72, 3915285), (88, 3203415), (90, 3132228), (99, 2847480), (108, 2610190), (110, 2562732), (120, 2349171), (122, 2310660), (132, 2135610), (135, 2088152), (165, 1708488), (180, 1566114), (183, 1540440), (198, 1423740), (216, 1305095), (220, 1281366), (244, 1155330), (264, 1067805), (270, 1044076), (297, 949160), (305, 924264), (330, 854244), (360, 783057), (366, 770220), (389, 724680), (396, 711870), (440, 640683), (488, 577665), (495, 569496), (540, 522038), (549, 513480), (594, 474580), (610, 462132), (660, 427122), (671, 420120), (732, 385110), (778, 362340), (792, 355935), (915, 308088), (990, 284748), (1080, 261019), (1098, 256740), (1167, 241560), (1188, 237290), (1220, 231066), (1320, 213561), (1342, 210060), (1464, 192555), (1485, 189832), (1556, 181170), (1647, 171160), (1830, 154044), (1945, 144936), (1980, 142374), (2013, 140040), (2196, 128370), (2334, 120780), (2376, 118645), (2440, 115533), (2684, 105030), (2745, 102696), (2970, 94916), (3112, 90585), (3294, 85580), (3355, 84024), (3501, 80520), (3660, 77022), (3890, 72468), (3960, 71187), (4026, 70020), (4279, 65880), (4392, 64185), (4668, 60390), (5368, 52515), (5490, 51348), (5835, 48312), (5940, 47458), (6039, 46680), (6588, 42790), (6710, 42012), (7002, 40260), (7320, 38511), (7780, 36234), (8052, 35010), (8235, 34232), (8558, 32940), (9336, 30195), (10065, 28008), (10503, 26840), (10980, 25674), (11670, 24156), (11880, 23729), (12078, 23340), (12837, 21960), (13176, 21395), (13420, 21006), (14004, 20130), (15560, 18117), (16104, 17505), (16470, 17116)]