39245280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{81761}}^1$

素因数の和:81779

約数の個数: 48

約数和(自身を含む): 123624144

約数和(自身を除く): 84378864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 81761, 163522, 245283, 327044, 408805, 490566, 654088, 817610, 981132, 1226415, 1308176, 1635220, 1962264, 2452830, 2616352, 3270440, 3924528, 4905660, 6540880, 7849056, 9811320, 13081760, 19622640, 39245280]

約数ペア:

[(1, 39245280), (2, 19622640), (3, 13081760), (4, 9811320), (5, 7849056), (6, 6540880), (8, 4905660), (10, 3924528), (12, 3270440), (15, 2616352), (16, 2452830), (20, 1962264), (24, 1635220), (30, 1308176), (32, 1226415), (40, 981132), (48, 817610), (60, 654088), (80, 490566), (96, 408805), (120, 327044), (160, 245283), (240, 163522), (480, 81761)]