123900540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89783}}^1$

素因数の和:89818

約数の個数: 48

約数和(自身を含む): 362009088

約数和(自身を除く): 238108548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 89783, 179566, 269349, 359132, 448915, 538698, 897830, 1077396, 1346745, 1795660, 2065009, 2693490, 4130018, 5386980, 6195027, 8260036, 10325045, 12390054, 20650090, 24780108, 30975135, 41300180, 61950270, 123900540]

約数ペア:

[(1, 123900540), (2, 61950270), (3, 41300180), (4, 30975135), (5, 24780108), (6, 20650090), (10, 12390054), (12, 10325045), (15, 8260036), (20, 6195027), (23, 5386980), (30, 4130018), (46, 2693490), (60, 2065009), (69, 1795660), (92, 1346745), (115, 1077396), (138, 897830), (230, 538698), (276, 448915), (345, 359132), (460, 269349), (690, 179566), (1380, 89783)]