8004920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 23639040

約数和(自身を除く): 15634120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 113, 115, 140, 154, 161, 184, 220, 226, 230, 253, 280, 308, 322, 385, 440, 452, 460, 506, 565, 616, 644, 770, 791, 805, 904, 920, 1012, 1130, 1243, 1265, 1288, 1540, 1582, 1610, 1771, 2024, 2260, 2486, 2530, 2599, 3080, 3164, 3220, 3542, 3955, 4520, 4972, 5060, 5198, 6215, 6328, 6440, 7084, 7910, 8701, 8855, 9944, 10120, 10396, 12430, 12995, 14168, 15820, 17402, 17710, 18193, 20792, 24860, 25990, 28589, 31640, 34804, 35420, 36386, 43505, 49720, 51980, 57178, 69608, 70840, 72772, 87010, 90965, 103960, 114356, 142945, 145544, 174020, 181930, 200123, 228712, 285890, 348040, 363860, 400246, 571780, 727720, 800492, 1000615, 1143560, 1600984, 2001230, 4002460, 8004920]

約数ペア:

[(1, 8004920), (2, 4002460), (4, 2001230), (5, 1600984), (7, 1143560), (8, 1000615), (10, 800492), (11, 727720), (14, 571780), (20, 400246), (22, 363860), (23, 348040), (28, 285890), (35, 228712), (40, 200123), (44, 181930), (46, 174020), (55, 145544), (56, 142945), (70, 114356), (77, 103960), (88, 90965), (92, 87010), (110, 72772), (113, 70840), (115, 69608), (140, 57178), (154, 51980), (161, 49720), (184, 43505), (220, 36386), (226, 35420), (230, 34804), (253, 31640), (280, 28589), (308, 25990), (322, 24860), (385, 20792), (440, 18193), (452, 17710), (460, 17402), (506, 15820), (565, 14168), (616, 12995), (644, 12430), (770, 10396), (791, 10120), (805, 9944), (904, 8855), (920, 8701), (1012, 7910), (1130, 7084), (1243, 6440), (1265, 6328), (1288, 6215), (1540, 5198), (1582, 5060), (1610, 4972), (1771, 4520), (2024, 3955), (2260, 3542), (2486, 3220), (2530, 3164), (2599, 3080)]