1208444840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 3009312000

約数和(自身を除く): 1800867160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 257, 269, 380, 437, 460, 514, 538, 760, 874, 920, 1028, 1076, 1285, 1345, 1748, 2056, 2152, 2185, 2570, 2690, 3496, 4370, 4883, 5111, 5140, 5380, 5911, 6187, 8740, 9766, 10222, 10280, 10760, 11822, 12374, 17480, 19532, 20444, 23644, 24415, 24748, 25555, 29555, 30935, 39064, 40888, 47288, 48830, 49496, 51110, 59110, 61870, 69133, 97660, 102220, 112309, 117553, 118220, 123740, 138266, 195320, 204440, 224618, 235106, 236440, 247480, 276532, 345665, 449236, 470212, 553064, 561545, 587765, 691330, 898472, 940424, 1123090, 1175530, 1313527, 1382660, 1590059, 2246180, 2351060, 2627054, 2765320, 3180118, 4492360, 4702120, 5254108, 6360236, 6567635, 7950295, 10508216, 12720472, 13135270, 15900590, 26270540, 30211121, 31801180, 52541080, 60422242, 63602360, 120844484, 151055605, 241688968, 302111210, 604222420, 1208444840]

約数ペア:

[(1, 1208444840), (2, 604222420), (4, 302111210), (5, 241688968), (8, 151055605), (10, 120844484), (19, 63602360), (20, 60422242), (23, 52541080), (38, 31801180), (40, 30211121), (46, 26270540), (76, 15900590), (92, 13135270), (95, 12720472), (115, 10508216), (152, 7950295), (184, 6567635), (190, 6360236), (230, 5254108), (257, 4702120), (269, 4492360), (380, 3180118), (437, 2765320), (460, 2627054), (514, 2351060), (538, 2246180), (760, 1590059), (874, 1382660), (920, 1313527), (1028, 1175530), (1076, 1123090), (1285, 940424), (1345, 898472), (1748, 691330), (2056, 587765), (2152, 561545), (2185, 553064), (2570, 470212), (2690, 449236), (3496, 345665), (4370, 276532), (4883, 247480), (5111, 236440), (5140, 235106), (5380, 224618), (5911, 204440), (6187, 195320), (8740, 138266), (9766, 123740), (10222, 118220), (10280, 117553), (10760, 112309), (11822, 102220), (12374, 97660), (17480, 69133), (19532, 61870), (20444, 59110), (23644, 51110), (24415, 49496), (24748, 48830), (25555, 47288), (29555, 40888), (30935, 39064)]