81148480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2172

約数の個数: 112

約数和(自身を含む): 233940096

約数和(自身を除く): 152791616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 952, 1088, 1120, 1190, 1360, 1904, 2131, 2240, 2380, 2720, 3808, 4262, 4760, 5440, 7616, 8524, 9520, 10655, 14917, 17048, 19040, 21310, 29834, 34096, 36227, 38080, 42620, 59668, 68192, 72454, 74585, 85240, 119336, 136384, 144908, 149170, 170480, 181135, 238672, 253589, 289816, 298340, 340960, 362270, 477344, 507178, 579632, 596680, 681920, 724540, 954688, 1014356, 1159264, 1193360, 1267945, 1449080, 2028712, 2318528, 2386720, 2535890, 2898160, 4057424, 4773440, 5071780, 5796320, 8114848, 10143560, 11592640, 16229696, 20287120, 40574240, 81148480]

約数ペア:

[(1, 81148480), (2, 40574240), (4, 20287120), (5, 16229696), (7, 11592640), (8, 10143560), (10, 8114848), (14, 5796320), (16, 5071780), (17, 4773440), (20, 4057424), (28, 2898160), (32, 2535890), (34, 2386720), (35, 2318528), (40, 2028712), (56, 1449080), (64, 1267945), (68, 1193360), (70, 1159264), (80, 1014356), (85, 954688), (112, 724540), (119, 681920), (136, 596680), (140, 579632), (160, 507178), (170, 477344), (224, 362270), (238, 340960), (272, 298340), (280, 289816), (320, 253589), (340, 238672), (448, 181135), (476, 170480), (544, 149170), (560, 144908), (595, 136384), (680, 119336), (952, 85240), (1088, 74585), (1120, 72454), (1190, 68192), (1360, 59668), (1904, 42620), (2131, 38080), (2240, 36227), (2380, 34096), (2720, 29834), (3808, 21310), (4262, 19040), (4760, 17048), (5440, 14917), (7616, 10655), (8524, 9520)]