79997680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6211}}^1$

素因数の和:6254

約数の個数: 80

約数和(自身を含む): 221842944

約数和(自身を除く): 141845264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6211, 6440, 12422, 12880, 24844, 31055, 43477, 49688, 62110, 86954, 99376, 124220, 142853, 173908, 217385, 248440, 285706, 347816, 434770, 496880, 571412, 695632, 714265, 869540, 999971, 1142824, 1428530, 1739080, 1999942, 2285648, 2857060, 3478160, 3999884, 4999855, 5714120, 7999768, 9999710, 11428240, 15999536, 19999420, 39998840, 79997680]

約数ペア:

[(1, 79997680), (2, 39998840), (4, 19999420), (5, 15999536), (7, 11428240), (8, 9999710), (10, 7999768), (14, 5714120), (16, 4999855), (20, 3999884), (23, 3478160), (28, 2857060), (35, 2285648), (40, 1999942), (46, 1739080), (56, 1428530), (70, 1142824), (80, 999971), (92, 869540), (112, 714265), (115, 695632), (140, 571412), (161, 496880), (184, 434770), (230, 347816), (280, 285706), (322, 248440), (368, 217385), (460, 173908), (560, 142853), (644, 124220), (805, 99376), (920, 86954), (1288, 62110), (1610, 49688), (1840, 43477), (2576, 31055), (3220, 24844), (6211, 12880), (6440, 12422)]