281179080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2861}}^1$

素因数の和:2901

約数の個数: 256

約数和(自身を含む): 1153958400

約数和(自身を除く): 872779320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 2861, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 5722, 6552, 7020, 7560, 8190, 8583, 9828, 10920, 11444, 12285, 14040, 14305, 16380, 17166, 19656, 20027, 22888, 24570, 25749, 28610, 32760, 34332, 37193, 40054, 42915, 49140, 51498, 57220, 60081, 68664, 74386, 77247, 80108, 85830, 98280, 100135, 102996, 111579, 114440, 120162, 128745, 148772, 154494, 160216, 171660, 180243, 185965, 200270, 205992, 223158, 240324, 257490, 260351, 297544, 300405, 308988, 334737, 343320, 360486, 371930, 386235, 400540, 446316, 480648, 514980, 520702, 540729, 557895, 600810, 617976, 669474, 720972, 743860, 772470, 781053, 801080, 892632, 901215, 1004211, 1029960, 1041404, 1081458, 1115790, 1201620, 1301755, 1338948, 1441944, 1487720, 1544940, 1562106, 1673685, 1802430, 2008422, 2082808, 2162916, 2231580, 2343159, 2403240, 2603510, 2677896, 2703645, 3089880, 3124212, 3347370, 3604860, 3905265, 4016844, 4325832, 4463160, 4686318, 5021055, 5207020, 5407290, 6248424, 6694740, 7029477, 7209720, 7810530, 8033688, 9372636, 10042110, 10414040, 10814580, 11715795, 13389480, 14058954, 15621060, 18745272, 20084220, 21629160, 23431590, 28117908, 31242120, 35147385, 40168440, 46863180, 56235816, 70294770, 93726360, 140589540, 281179080]

約数ペア:

[(1, 281179080), (2, 140589540), (3, 93726360), (4, 70294770), (5, 56235816), (6, 46863180), (7, 40168440), (8, 35147385), (9, 31242120), (10, 28117908), (12, 23431590), (13, 21629160), (14, 20084220), (15, 18745272), (18, 15621060), (20, 14058954), (21, 13389480), (24, 11715795), (26, 10814580), (27, 10414040), (28, 10042110), (30, 9372636), (35, 8033688), (36, 7810530), (39, 7209720), (40, 7029477), (42, 6694740), (45, 6248424), (52, 5407290), (54, 5207020), (56, 5021055), (60, 4686318), (63, 4463160), (65, 4325832), (70, 4016844), (72, 3905265), (78, 3604860), (84, 3347370), (90, 3124212), (91, 3089880), (104, 2703645), (105, 2677896), (108, 2603510), (117, 2403240), (120, 2343159), (126, 2231580), (130, 2162916), (135, 2082808), (140, 2008422), (156, 1802430), (168, 1673685), (180, 1562106), (182, 1544940), (189, 1487720), (195, 1441944), (210, 1338948), (216, 1301755), (234, 1201620), (252, 1115790), (260, 1081458), (270, 1041404), (273, 1029960), (280, 1004211), (312, 901215), (315, 892632), (351, 801080), (360, 781053), (364, 772470), (378, 743860), (390, 720972), (420, 669474), (455, 617976), (468, 600810), (504, 557895), (520, 540729), (540, 520702), (546, 514980), (585, 480648), (630, 446316), (702, 400540), (728, 386235), (756, 371930), (780, 360486), (819, 343320), (840, 334737), (910, 308988), (936, 300405), (945, 297544), (1080, 260351), (1092, 257490), (1170, 240324), (1260, 223158), (1365, 205992), (1404, 200270), (1512, 185965), (1560, 180243), (1638, 171660), (1755, 160216), (1820, 154494), (1890, 148772), (2184, 128745), (2340, 120162), (2457, 114440), (2520, 111579), (2730, 102996), (2808, 100135), (2861, 98280), (3276, 85830), (3510, 80108), (3640, 77247), (3780, 74386), (4095, 68664), (4680, 60081), (4914, 57220), (5460, 51498), (5722, 49140), (6552, 42915), (7020, 40054), (7560, 37193), (8190, 34332), (8583, 32760), (9828, 28610), (10920, 25749), (11444, 24570), (12285, 22888), (14040, 20027), (14305, 19656), (16380, 17166)]