19799280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 120

約数和(自身を含む): 67375152

約数和(自身を除く): 47575872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 107, 120, 144, 180, 214, 240, 257, 321, 360, 428, 514, 535, 642, 720, 771, 856, 963, 1028, 1070, 1284, 1285, 1542, 1605, 1712, 1926, 2056, 2140, 2313, 2568, 2570, 3084, 3210, 3852, 3855, 4112, 4280, 4626, 4815, 5136, 5140, 6168, 6420, 7704, 7710, 8560, 9252, 9630, 10280, 11565, 12336, 12840, 15408, 15420, 18504, 19260, 20560, 23130, 25680, 27499, 30840, 37008, 38520, 46260, 54998, 61680, 77040, 82497, 92520, 109996, 137495, 164994, 185040, 219992, 247491, 274990, 329988, 412485, 439984, 494982, 549980, 659976, 824970, 989964, 1099960, 1237455, 1319952, 1649940, 1979928, 2199920, 2474910, 3299880, 3959856, 4949820, 6599760, 9899640, 19799280]

約数ペア:

[(1, 19799280), (2, 9899640), (3, 6599760), (4, 4949820), (5, 3959856), (6, 3299880), (8, 2474910), (9, 2199920), (10, 1979928), (12, 1649940), (15, 1319952), (16, 1237455), (18, 1099960), (20, 989964), (24, 824970), (30, 659976), (36, 549980), (40, 494982), (45, 439984), (48, 412485), (60, 329988), (72, 274990), (80, 247491), (90, 219992), (107, 185040), (120, 164994), (144, 137495), (180, 109996), (214, 92520), (240, 82497), (257, 77040), (321, 61680), (360, 54998), (428, 46260), (514, 38520), (535, 37008), (642, 30840), (720, 27499), (771, 25680), (856, 23130), (963, 20560), (1028, 19260), (1070, 18504), (1284, 15420), (1285, 15408), (1542, 12840), (1605, 12336), (1712, 11565), (1926, 10280), (2056, 9630), (2140, 9252), (2313, 8560), (2568, 7710), (2570, 7704), (3084, 6420), (3210, 6168), (3852, 5140), (3855, 5136), (4112, 4815), (4280, 4626)]