74563980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{65407}}^1$

素因数の和:65438

約数の個数: 48

約数和(自身を含む): 219770880

約数和(自身を除く): 145206900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 65407, 130814, 196221, 261628, 327035, 392442, 654070, 784884, 981105, 1242733, 1308140, 1962210, 2485466, 3728199, 3924420, 4970932, 6213665, 7456398, 12427330, 14912796, 18640995, 24854660, 37281990, 74563980]

約数ペア:

[(1, 74563980), (2, 37281990), (3, 24854660), (4, 18640995), (5, 14912796), (6, 12427330), (10, 7456398), (12, 6213665), (15, 4970932), (19, 3924420), (20, 3728199), (30, 2485466), (38, 1962210), (57, 1308140), (60, 1242733), (76, 981105), (95, 784884), (114, 654070), (190, 392442), (228, 327035), (285, 261628), (380, 196221), (570, 130814), (1140, 65407)]