639817499280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{2403883}}^1$

素因数の和:2405008

約数の個数: 80

約数和(自身を含む): 1985223562560

約数和(自身を除く): 1345406063280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1109, 2218, 3327, 4436, 5545, 6654, 8872, 11090, 13308, 16635, 17744, 22180, 26616, 33270, 44360, 53232, 66540, 88720, 133080, 266160, 2403883, 4807766, 7211649, 9615532, 12019415, 14423298, 19231064, 24038830, 28846596, 36058245, 38462128, 48077660, 57693192, 72116490, 96155320, 115386384, 144232980, 192310640, 288465960, 576931920, 2665906247, 5331812494, 7997718741, 10663624988, 13329531235, 15995437482, 21327249976, 26659062470, 31990874964, 39988593705, 42654499952, 53318124940, 63981749928, 79977187410, 106636249880, 127963499856, 159954374820, 213272499760, 319908749640, 639817499280]

約数ペア:

[(1, 639817499280), (2, 319908749640), (3, 213272499760), (4, 159954374820), (5, 127963499856), (6, 106636249880), (8, 79977187410), (10, 63981749928), (12, 53318124940), (15, 42654499952), (16, 39988593705), (20, 31990874964), (24, 26659062470), (30, 21327249976), (40, 15995437482), (48, 13329531235), (60, 10663624988), (80, 7997718741), (120, 5331812494), (240, 2665906247), (1109, 576931920), (2218, 288465960), (3327, 192310640), (4436, 144232980), (5545, 115386384), (6654, 96155320), (8872, 72116490), (11090, 57693192), (13308, 48077660), (16635, 38462128), (17744, 36058245), (22180, 28846596), (26616, 24038830), (33270, 19231064), (44360, 14423298), (53232, 12019415), (66540, 9615532), (88720, 7211649), (133080, 4807766), (266160, 2403883)]