280995840

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{3049}}^1$

素因数の和:3082

約数の個数: 144

約数和(自身を含む): 974200500

約数和(自身を除く): 693204660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3049, 3072, 3840, 4608, 5120, 5760, 6098, 6144, 7680, 9147, 9216, 10240, 11520, 12196, 15245, 15360, 18294, 18432, 23040, 24392, 27441, 30490, 30720, 36588, 45735, 46080, 48784, 54882, 60980, 73176, 91470, 92160, 97568, 109764, 121960, 137205, 146352, 182940, 195136, 219528, 243920, 274410, 292704, 365880, 390272, 439056, 487840, 548820, 585408, 731760, 780544, 878112, 975680, 1097640, 1170816, 1463520, 1561088, 1756224, 1951360, 2195280, 2341632, 2927040, 3122176, 3512448, 3902720, 4390560, 4683264, 5854080, 6244352, 7024896, 7805440, 8781120, 9366528, 11708160, 14049792, 15610880, 17562240, 18733056, 23416320, 28099584, 31221760, 35124480, 46832640, 56199168, 70248960, 93665280, 140497920, 280995840]

約数ペア:

[(1, 280995840), (2, 140497920), (3, 93665280), (4, 70248960), (5, 56199168), (6, 46832640), (8, 35124480), (9, 31221760), (10, 28099584), (12, 23416320), (15, 18733056), (16, 17562240), (18, 15610880), (20, 14049792), (24, 11708160), (30, 9366528), (32, 8781120), (36, 7805440), (40, 7024896), (45, 6244352), (48, 5854080), (60, 4683264), (64, 4390560), (72, 3902720), (80, 3512448), (90, 3122176), (96, 2927040), (120, 2341632), (128, 2195280), (144, 1951360), (160, 1756224), (180, 1561088), (192, 1463520), (240, 1170816), (256, 1097640), (288, 975680), (320, 878112), (360, 780544), (384, 731760), (480, 585408), (512, 548820), (576, 487840), (640, 439056), (720, 390272), (768, 365880), (960, 292704), (1024, 274410), (1152, 243920), (1280, 219528), (1440, 195136), (1536, 182940), (1920, 146352), (2048, 137205), (2304, 121960), (2560, 109764), (2880, 97568), (3049, 92160), (3072, 91470), (3840, 73176), (4608, 60980), (5120, 54882), (5760, 48784), (6098, 46080), (6144, 45735), (7680, 36588), (9147, 30720), (9216, 30490), (10240, 27441), (11520, 24392), (12196, 23040), (15245, 18432), (15360, 18294)]