90267520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{20149}}^1$

素因数の和:20175

約数の個数: 64

約数和(自身を含む): 246636000

約数和(自身を除く): 156368480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 20149, 40298, 80596, 100745, 141043, 161192, 201490, 282086, 322384, 402980, 564172, 644768, 705215, 805960, 1128344, 1289536, 1410430, 1611920, 2256688, 2579072, 2820860, 3223840, 4513376, 5641720, 6447680, 9026752, 11283440, 12895360, 18053504, 22566880, 45133760, 90267520]

約数ペア:

[(1, 90267520), (2, 45133760), (4, 22566880), (5, 18053504), (7, 12895360), (8, 11283440), (10, 9026752), (14, 6447680), (16, 5641720), (20, 4513376), (28, 3223840), (32, 2820860), (35, 2579072), (40, 2256688), (56, 1611920), (64, 1410430), (70, 1289536), (80, 1128344), (112, 805960), (128, 705215), (140, 644768), (160, 564172), (224, 402980), (280, 322384), (320, 282086), (448, 201490), (560, 161192), (640, 141043), (896, 100745), (1120, 80596), (2240, 40298), (4480, 20149)]