1265280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{659}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 4039200

約数和(自身を除く): 2773920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 659, 960, 1318, 1920, 1977, 2636, 3295, 3954, 5272, 6590, 7908, 9885, 10544, 13180, 15816, 19770, 21088, 26360, 31632, 39540, 42176, 52720, 63264, 79080, 84352, 105440, 126528, 158160, 210880, 253056, 316320, 421760, 632640, 1265280]

約数ペア:

[(1, 1265280), (2, 632640), (3, 421760), (4, 316320), (5, 253056), (6, 210880), (8, 158160), (10, 126528), (12, 105440), (15, 84352), (16, 79080), (20, 63264), (24, 52720), (30, 42176), (32, 39540), (40, 31632), (48, 26360), (60, 21088), (64, 19770), (80, 15816), (96, 13180), (120, 10544), (128, 9885), (160, 7908), (192, 6590), (240, 5272), (320, 3954), (384, 3295), (480, 2636), (640, 1977), (659, 1920), (960, 1318)]