28557840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{463}}^1$

素因数の和:736

約数の個数: 80

約数和(自身を含む): 89065728

約数和(自身を除く): 60507888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 463, 514, 771, 926, 1028, 1285, 1389, 1542, 1852, 2056, 2315, 2570, 2778, 3084, 3704, 3855, 4112, 4630, 5140, 5556, 6168, 6945, 7408, 7710, 9260, 10280, 11112, 12336, 13890, 15420, 18520, 20560, 22224, 27780, 30840, 37040, 55560, 61680, 111120, 118991, 237982, 356973, 475964, 594955, 713946, 951928, 1189910, 1427892, 1784865, 1903856, 2379820, 2855784, 3569730, 4759640, 5711568, 7139460, 9519280, 14278920, 28557840]

約数ペア:

[(1, 28557840), (2, 14278920), (3, 9519280), (4, 7139460), (5, 5711568), (6, 4759640), (8, 3569730), (10, 2855784), (12, 2379820), (15, 1903856), (16, 1784865), (20, 1427892), (24, 1189910), (30, 951928), (40, 713946), (48, 594955), (60, 475964), (80, 356973), (120, 237982), (240, 118991), (257, 111120), (463, 61680), (514, 55560), (771, 37040), (926, 30840), (1028, 27780), (1285, 22224), (1389, 20560), (1542, 18520), (1852, 15420), (2056, 13890), (2315, 12336), (2570, 11112), (2778, 10280), (3084, 9260), (3704, 7710), (3855, 7408), (4112, 6945), (4630, 6168), (5140, 5556)]