319990720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6211}}^1$

素因数の和:6258

約数の個数: 112

約数和(自身を含む): 908840448

約数和(自身を除く): 588849728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 3220, 3680, 5152, 6211, 6440, 7360, 10304, 12422, 12880, 24844, 25760, 31055, 43477, 49688, 51520, 62110, 86954, 99376, 124220, 142853, 173908, 198752, 217385, 248440, 285706, 347816, 397504, 434770, 496880, 571412, 695632, 714265, 869540, 993760, 999971, 1142824, 1391264, 1428530, 1739080, 1987520, 1999942, 2285648, 2782528, 2857060, 3478160, 3999884, 4571296, 4999855, 5714120, 6956320, 7999768, 9142592, 9999710, 11428240, 13912640, 15999536, 19999420, 22856480, 31999072, 39998840, 45712960, 63998144, 79997680, 159995360, 319990720]

約数ペア:

[(1, 319990720), (2, 159995360), (4, 79997680), (5, 63998144), (7, 45712960), (8, 39998840), (10, 31999072), (14, 22856480), (16, 19999420), (20, 15999536), (23, 13912640), (28, 11428240), (32, 9999710), (35, 9142592), (40, 7999768), (46, 6956320), (56, 5714120), (64, 4999855), (70, 4571296), (80, 3999884), (92, 3478160), (112, 2857060), (115, 2782528), (140, 2285648), (160, 1999942), (161, 1987520), (184, 1739080), (224, 1428530), (230, 1391264), (280, 1142824), (320, 999971), (322, 993760), (368, 869540), (448, 714265), (460, 695632), (560, 571412), (644, 496880), (736, 434770), (805, 397504), (920, 347816), (1120, 285706), (1288, 248440), (1472, 217385), (1610, 198752), (1840, 173908), (2240, 142853), (2576, 124220), (3220, 99376), (3680, 86954), (5152, 62110), (6211, 51520), (6440, 49688), (7360, 43477), (10304, 31055), (12422, 25760), (12880, 24844)]