77578380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39181}}^1$

素因数の和:39207

約数の個数: 72

約数和(自身を含む): 256720464

約数和(自身を除く): 179142084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 39181, 78362, 117543, 156724, 195905, 235086, 352629, 391810, 430991, 470172, 587715, 705258, 783620, 861982, 1175430, 1292973, 1410516, 1723964, 1763145, 2154955, 2350860, 2585946, 3526290, 3878919, 4309910, 5171892, 6464865, 7052580, 7757838, 8619820, 12929730, 15515676, 19394595, 25859460, 38789190, 77578380]

約数ペア:

[(1, 77578380), (2, 38789190), (3, 25859460), (4, 19394595), (5, 15515676), (6, 12929730), (9, 8619820), (10, 7757838), (11, 7052580), (12, 6464865), (15, 5171892), (18, 4309910), (20, 3878919), (22, 3526290), (30, 2585946), (33, 2350860), (36, 2154955), (44, 1763145), (45, 1723964), (55, 1410516), (60, 1292973), (66, 1175430), (90, 861982), (99, 783620), (110, 705258), (132, 587715), (165, 470172), (180, 430991), (198, 391810), (220, 352629), (330, 235086), (396, 195905), (495, 156724), (660, 117543), (990, 78362), (1980, 39181)]