123843440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 348311040

約数和(自身を除く): 224467600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 43, 56, 70, 74, 80, 86, 112, 139, 140, 148, 172, 185, 215, 259, 278, 280, 296, 301, 344, 370, 430, 518, 556, 560, 592, 602, 688, 695, 740, 860, 973, 1036, 1112, 1204, 1295, 1390, 1480, 1505, 1591, 1720, 1946, 2072, 2224, 2408, 2590, 2780, 2960, 3010, 3182, 3440, 3892, 4144, 4816, 4865, 5143, 5180, 5560, 5977, 6020, 6364, 7784, 7955, 9730, 10286, 10360, 11120, 11137, 11954, 12040, 12728, 15568, 15910, 19460, 20572, 20720, 22274, 23908, 24080, 25456, 25715, 29885, 31820, 36001, 38920, 41144, 41839, 44548, 47816, 51430, 55685, 59770, 63640, 72002, 77840, 82288, 83678, 89096, 95632, 102860, 111370, 119540, 127280, 144004, 167356, 178192, 180005, 205720, 209195, 221149, 222740, 239080, 288008, 334712, 360010, 411440, 418390, 442298, 445480, 478160, 576016, 669424, 720020, 836780, 884596, 890960, 1105745, 1440040, 1548043, 1673560, 1769192, 2211490, 2880080, 3096086, 3347120, 3538384, 4422980, 6192172, 7740215, 8845960, 12384344, 15480430, 17691920, 24768688, 30960860, 61921720, 123843440]

約数ペア:

[(1, 123843440), (2, 61921720), (4, 30960860), (5, 24768688), (7, 17691920), (8, 15480430), (10, 12384344), (14, 8845960), (16, 7740215), (20, 6192172), (28, 4422980), (35, 3538384), (37, 3347120), (40, 3096086), (43, 2880080), (56, 2211490), (70, 1769192), (74, 1673560), (80, 1548043), (86, 1440040), (112, 1105745), (139, 890960), (140, 884596), (148, 836780), (172, 720020), (185, 669424), (215, 576016), (259, 478160), (278, 445480), (280, 442298), (296, 418390), (301, 411440), (344, 360010), (370, 334712), (430, 288008), (518, 239080), (556, 222740), (560, 221149), (592, 209195), (602, 205720), (688, 180005), (695, 178192), (740, 167356), (860, 144004), (973, 127280), (1036, 119540), (1112, 111370), (1204, 102860), (1295, 95632), (1390, 89096), (1480, 83678), (1505, 82288), (1591, 77840), (1720, 72002), (1946, 63640), (2072, 59770), (2224, 55685), (2408, 51430), (2590, 47816), (2780, 44548), (2960, 41839), (3010, 41144), (3182, 38920), (3440, 36001), (3892, 31820), (4144, 29885), (4816, 25715), (4865, 25456), (5143, 24080), (5180, 23908), (5560, 22274), (5977, 20720), (6020, 20572), (6364, 19460), (7784, 15910), (7955, 15568), (9730, 12728), (10286, 12040), (10360, 11954), (11120, 11137)]