179998380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1088

約数の個数: 144

約数和(自身を含む): 588500640

約数和(自身を除く): 408502260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 102, 118, 153, 170, 177, 180, 204, 236, 255, 295, 306, 340, 354, 510, 531, 590, 612, 708, 765, 885, 997, 1003, 1020, 1062, 1180, 1530, 1770, 1994, 2006, 2124, 2655, 2991, 3009, 3060, 3540, 3988, 4012, 4985, 5015, 5310, 5982, 6018, 8973, 9027, 9970, 10030, 10620, 11964, 12036, 14955, 15045, 16949, 17946, 18054, 19940, 20060, 29910, 30090, 33898, 35892, 36108, 44865, 45135, 50847, 58823, 59820, 60180, 67796, 84745, 89730, 90270, 101694, 117646, 152541, 169490, 176469, 179460, 180540, 203388, 235292, 254235, 294115, 305082, 338980, 352938, 508470, 529407, 588230, 610164, 705876, 762705, 882345, 999991, 1016940, 1058814, 1176460, 1525410, 1764690, 1999982, 2117628, 2647035, 2999973, 3050820, 3529380, 3999964, 4999955, 5294070, 5999946, 8999919, 9999910, 10588140, 11999892, 14999865, 17999838, 19999820, 29999730, 35999676, 44999595, 59999460, 89999190, 179998380]

約数ペア:

[(1, 179998380), (2, 89999190), (3, 59999460), (4, 44999595), (5, 35999676), (6, 29999730), (9, 19999820), (10, 17999838), (12, 14999865), (15, 11999892), (17, 10588140), (18, 9999910), (20, 8999919), (30, 5999946), (34, 5294070), (36, 4999955), (45, 3999964), (51, 3529380), (59, 3050820), (60, 2999973), (68, 2647035), (85, 2117628), (90, 1999982), (102, 1764690), (118, 1525410), (153, 1176460), (170, 1058814), (177, 1016940), (180, 999991), (204, 882345), (236, 762705), (255, 705876), (295, 610164), (306, 588230), (340, 529407), (354, 508470), (510, 352938), (531, 338980), (590, 305082), (612, 294115), (708, 254235), (765, 235292), (885, 203388), (997, 180540), (1003, 179460), (1020, 176469), (1062, 169490), (1180, 152541), (1530, 117646), (1770, 101694), (1994, 90270), (2006, 89730), (2124, 84745), (2655, 67796), (2991, 60180), (3009, 59820), (3060, 58823), (3540, 50847), (3988, 45135), (4012, 44865), (4985, 36108), (5015, 35892), (5310, 33898), (5982, 30090), (6018, 29910), (8973, 20060), (9027, 19940), (9970, 18054), (10030, 17946), (10620, 16949), (11964, 15045), (12036, 14955)]