128315820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 374169600

約数和(自身を除く): 245853780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 149, 155, 186, 298, 310, 372, 447, 463, 465, 596, 620, 745, 894, 926, 930, 1389, 1490, 1788, 1852, 1860, 2235, 2315, 2778, 2980, 4470, 4619, 4630, 5556, 6945, 8940, 9238, 9260, 13857, 13890, 14353, 18476, 23095, 27714, 27780, 28706, 43059, 46190, 55428, 57412, 68987, 69285, 71765, 86118, 92380, 137974, 138570, 143530, 172236, 206961, 215295, 275948, 277140, 287060, 344935, 413922, 430590, 689870, 827844, 861180, 1034805, 1379740, 2069610, 2138597, 4139220, 4277194, 6415791, 8554388, 10692985, 12831582, 21385970, 25663164, 32078955, 42771940, 64157910, 128315820]

約数ペア:

[(1, 128315820), (2, 64157910), (3, 42771940), (4, 32078955), (5, 25663164), (6, 21385970), (10, 12831582), (12, 10692985), (15, 8554388), (20, 6415791), (30, 4277194), (31, 4139220), (60, 2138597), (62, 2069610), (93, 1379740), (124, 1034805), (149, 861180), (155, 827844), (186, 689870), (298, 430590), (310, 413922), (372, 344935), (447, 287060), (463, 277140), (465, 275948), (596, 215295), (620, 206961), (745, 172236), (894, 143530), (926, 138570), (930, 137974), (1389, 92380), (1490, 86118), (1788, 71765), (1852, 69285), (1860, 68987), (2235, 57412), (2315, 55428), (2778, 46190), (2980, 43059), (4470, 28706), (4619, 27780), (4630, 27714), (5556, 23095), (6945, 18476), (8940, 14353), (9238, 13890), (9260, 13857)]