20199665280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{198503}}^1$

素因数の和:198578

約数の個数: 128

約数和(自身を含む): 65601601920

約数和(自身を除く): 45401936640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 795, 848, 960, 1060, 1272, 1590, 1696, 1920, 2120, 2544, 3180, 3392, 4240, 5088, 6360, 6784, 8480, 10176, 12720, 16960, 20352, 25440, 33920, 50880, 101760, 198503, 397006, 595509, 794012, 992515, 1191018, 1588024, 1985030, 2382036, 2977545, 3176048, 3970060, 4764072, 5955090, 6352096, 7940120, 9528144, 10520659, 11910180, 12704192, 15880240, 19056288, 21041318, 23820360, 25408384, 31561977, 31760480, 38112576, 42082636, 47640720, 52603295, 63123954, 63520960, 76225152, 84165272, 95281440, 105206590, 126247908, 127041920, 157809885, 168330544, 190562880, 210413180, 252495816, 315619770, 336661088, 381125760, 420826360, 504991632, 631239540, 673322176, 841652720, 1009983264, 1262479080, 1346644352, 1683305440, 2019966528, 2524958160, 3366610880, 4039933056, 5049916320, 6733221760, 10099832640, 20199665280]

約数ペア:

[(1, 20199665280), (2, 10099832640), (3, 6733221760), (4, 5049916320), (5, 4039933056), (6, 3366610880), (8, 2524958160), (10, 2019966528), (12, 1683305440), (15, 1346644352), (16, 1262479080), (20, 1009983264), (24, 841652720), (30, 673322176), (32, 631239540), (40, 504991632), (48, 420826360), (53, 381125760), (60, 336661088), (64, 315619770), (80, 252495816), (96, 210413180), (106, 190562880), (120, 168330544), (128, 157809885), (159, 127041920), (160, 126247908), (192, 105206590), (212, 95281440), (240, 84165272), (265, 76225152), (318, 63520960), (320, 63123954), (384, 52603295), (424, 47640720), (480, 42082636), (530, 38112576), (636, 31760480), (640, 31561977), (795, 25408384), (848, 23820360), (960, 21041318), (1060, 19056288), (1272, 15880240), (1590, 12704192), (1696, 11910180), (1920, 10520659), (2120, 9528144), (2544, 7940120), (3180, 6352096), (3392, 5955090), (4240, 4764072), (5088, 3970060), (6360, 3176048), (6784, 2977545), (8480, 2382036), (10176, 1985030), (12720, 1588024), (16960, 1191018), (20352, 992515), (25440, 794012), (33920, 595509), (50880, 397006), (101760, 198503)]