21056922960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{10163}}^1$

素因数の和:10365

約数の個数: 160

約数和(自身を含む): 66696981120

約数和(自身を除く): 45640058160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 97, 120, 178, 194, 240, 267, 291, 356, 388, 445, 485, 534, 582, 712, 776, 890, 970, 1068, 1164, 1335, 1424, 1455, 1552, 1780, 1940, 2136, 2328, 2670, 2910, 3560, 3880, 4272, 4656, 5340, 5820, 7120, 7760, 8633, 10163, 10680, 11640, 17266, 20326, 21360, 23280, 25899, 30489, 34532, 40652, 43165, 50815, 51798, 60978, 69064, 81304, 86330, 101630, 103596, 121956, 129495, 138128, 152445, 162608, 172660, 203260, 207192, 243912, 258990, 304890, 345320, 406520, 414384, 487824, 517980, 609780, 690640, 813040, 904507, 985811, 1035960, 1219560, 1809014, 1971622, 2071920, 2439120, 2713521, 2957433, 3618028, 3943244, 4522535, 4929055, 5427042, 5914866, 7236056, 7886488, 9045070, 9858110, 10854084, 11829732, 13567605, 14472112, 14787165, 15772976, 18090140, 19716220, 21708168, 23659464, 27135210, 29574330, 36180280, 39432440, 43416336, 47318928, 54270420, 59148660, 72360560, 78864880, 87737179, 108540840, 118297320, 175474358, 217081680, 236594640, 263211537, 350948716, 438685895, 526423074, 701897432, 877371790, 1052846148, 1316057685, 1403794864, 1754743580, 2105692296, 2632115370, 3509487160, 4211384592, 5264230740, 7018974320, 10528461480, 21056922960]

約数ペア:

[(1, 21056922960), (2, 10528461480), (3, 7018974320), (4, 5264230740), (5, 4211384592), (6, 3509487160), (8, 2632115370), (10, 2105692296), (12, 1754743580), (15, 1403794864), (16, 1316057685), (20, 1052846148), (24, 877371790), (30, 701897432), (40, 526423074), (48, 438685895), (60, 350948716), (80, 263211537), (89, 236594640), (97, 217081680), (120, 175474358), (178, 118297320), (194, 108540840), (240, 87737179), (267, 78864880), (291, 72360560), (356, 59148660), (388, 54270420), (445, 47318928), (485, 43416336), (534, 39432440), (582, 36180280), (712, 29574330), (776, 27135210), (890, 23659464), (970, 21708168), (1068, 19716220), (1164, 18090140), (1335, 15772976), (1424, 14787165), (1455, 14472112), (1552, 13567605), (1780, 11829732), (1940, 10854084), (2136, 9858110), (2328, 9045070), (2670, 7886488), (2910, 7236056), (3560, 5914866), (3880, 5427042), (4272, 4929055), (4656, 4522535), (5340, 3943244), (5820, 3618028), (7120, 2957433), (7760, 2713521), (8633, 2439120), (10163, 2071920), (10680, 1971622), (11640, 1809014), (17266, 1219560), (20326, 1035960), (21360, 985811), (23280, 904507), (25899, 813040), (30489, 690640), (34532, 609780), (40652, 517980), (43165, 487824), (50815, 414384), (51798, 406520), (60978, 345320), (69064, 304890), (81304, 258990), (86330, 243912), (101630, 207192), (103596, 203260), (121956, 172660), (129495, 162608), (138128, 152445)]