39480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1$

素因数の和:68

約数の個数: 64

約数和(自身を含む): 138240

約数和(自身を除く): 98760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5640, 6580, 7896, 9870, 13160, 19740, 39480]

約数ペア:

[(1, 39480), (2, 19740), (3, 13160), (4, 9870), (5, 7896), (6, 6580), (7, 5640), (8, 4935), (10, 3948), (12, 3290), (14, 2820), (15, 2632), (20, 1974), (21, 1880), (24, 1645), (28, 1410), (30, 1316), (35, 1128), (40, 987), (42, 940), (47, 840), (56, 705), (60, 658), (70, 564), (84, 470), (94, 420), (105, 376), (120, 329), (140, 282), (141, 280), (168, 235), (188, 210)]