155573120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 400982400

約数和(自身を除く): 245409280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 79, 80, 85, 128, 136, 158, 160, 170, 181, 272, 316, 320, 340, 362, 395, 544, 632, 640, 680, 724, 790, 905, 1088, 1264, 1343, 1360, 1448, 1580, 1810, 2176, 2528, 2686, 2720, 2896, 3077, 3160, 3620, 5056, 5372, 5440, 5792, 6154, 6320, 6715, 7240, 10112, 10744, 10880, 11584, 12308, 12640, 13430, 14299, 14480, 15385, 21488, 23168, 24616, 25280, 26860, 28598, 28960, 30770, 42976, 49232, 50560, 53720, 57196, 57920, 61540, 71495, 85952, 98464, 107440, 114392, 115840, 123080, 142990, 171904, 196928, 214880, 228784, 243083, 246160, 285980, 393856, 429760, 457568, 486166, 492320, 571960, 859520, 915136, 972332, 984640, 1143920, 1215415, 1830272, 1944664, 1969280, 2287840, 2430830, 3889328, 4575680, 4861660, 7778656, 9151360, 9723320, 15557312, 19446640, 31114624, 38893280, 77786560, 155573120]

約数ペア:

[(1, 155573120), (2, 77786560), (4, 38893280), (5, 31114624), (8, 19446640), (10, 15557312), (16, 9723320), (17, 9151360), (20, 7778656), (32, 4861660), (34, 4575680), (40, 3889328), (64, 2430830), (68, 2287840), (79, 1969280), (80, 1944664), (85, 1830272), (128, 1215415), (136, 1143920), (158, 984640), (160, 972332), (170, 915136), (181, 859520), (272, 571960), (316, 492320), (320, 486166), (340, 457568), (362, 429760), (395, 393856), (544, 285980), (632, 246160), (640, 243083), (680, 228784), (724, 214880), (790, 196928), (905, 171904), (1088, 142990), (1264, 123080), (1343, 115840), (1360, 114392), (1448, 107440), (1580, 98464), (1810, 85952), (2176, 71495), (2528, 61540), (2686, 57920), (2720, 57196), (2896, 53720), (3077, 50560), (3160, 49232), (3620, 42976), (5056, 30770), (5372, 28960), (5440, 28598), (5792, 26860), (6154, 25280), (6320, 24616), (6715, 23168), (7240, 21488), (10112, 15385), (10744, 14480), (10880, 14299), (11584, 13430), (12308, 12640)]