78960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1$

素因数の和:70

約数の個数: 80

約数和(自身を含む): 285696

約数和(自身を除く): 206736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 210, 235, 240, 280, 282, 329, 336, 376, 420, 470, 560, 564, 658, 705, 752, 840, 940, 987, 1128, 1316, 1410, 1645, 1680, 1880, 1974, 2256, 2632, 2820, 3290, 3760, 3948, 4935, 5264, 5640, 6580, 7896, 9870, 11280, 13160, 15792, 19740, 26320, 39480, 78960]

約数ペア:

[(1, 78960), (2, 39480), (3, 26320), (4, 19740), (5, 15792), (6, 13160), (7, 11280), (8, 9870), (10, 7896), (12, 6580), (14, 5640), (15, 5264), (16, 4935), (20, 3948), (21, 3760), (24, 3290), (28, 2820), (30, 2632), (35, 2256), (40, 1974), (42, 1880), (47, 1680), (48, 1645), (56, 1410), (60, 1316), (70, 1128), (80, 987), (84, 940), (94, 840), (105, 752), (112, 705), (120, 658), (140, 564), (141, 560), (168, 470), (188, 420), (210, 376), (235, 336), (240, 329), (280, 282)]