81317376

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{2521}}^1$

素因数の和:2552

約数の個数: 120

約数和(自身を含む): 268320624

約数和(自身を除く): 187003248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1152, 1344, 1536, 1792, 2016, 2304, 2521, 2688, 3584, 4032, 4608, 5042, 5376, 7563, 8064, 10084, 10752, 15126, 16128, 17647, 20168, 22689, 30252, 32256, 35294, 40336, 45378, 52941, 60504, 70588, 80672, 90756, 105882, 121008, 141176, 158823, 161344, 181512, 211764, 242016, 282352, 317646, 322688, 363024, 423528, 484032, 564704, 635292, 645376, 726048, 847056, 968064, 1129408, 1270584, 1290752, 1452096, 1694112, 1936128, 2258816, 2541168, 2904192, 3388224, 3872256, 4517632, 5082336, 5808384, 6776448, 9035264, 10164672, 11616768, 13552896, 20329344, 27105792, 40658688, 81317376]

約数ペア:

[(1, 81317376), (2, 40658688), (3, 27105792), (4, 20329344), (6, 13552896), (7, 11616768), (8, 10164672), (9, 9035264), (12, 6776448), (14, 5808384), (16, 5082336), (18, 4517632), (21, 3872256), (24, 3388224), (28, 2904192), (32, 2541168), (36, 2258816), (42, 1936128), (48, 1694112), (56, 1452096), (63, 1290752), (64, 1270584), (72, 1129408), (84, 968064), (96, 847056), (112, 726048), (126, 645376), (128, 635292), (144, 564704), (168, 484032), (192, 423528), (224, 363024), (252, 322688), (256, 317646), (288, 282352), (336, 242016), (384, 211764), (448, 181512), (504, 161344), (512, 158823), (576, 141176), (672, 121008), (768, 105882), (896, 90756), (1008, 80672), (1152, 70588), (1344, 60504), (1536, 52941), (1792, 45378), (2016, 40336), (2304, 35294), (2521, 32256), (2688, 30252), (3584, 22689), (4032, 20168), (4608, 17647), (5042, 16128), (5376, 15126), (7563, 10752), (8064, 10084)]