78670980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{145687}}^1$

素因数の和:145705

約数の個数: 48

約数和(自身を含む): 244755840

約数和(自身を除く): 166084860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 145687, 291374, 437061, 582748, 728435, 874122, 1311183, 1456870, 1748244, 2185305, 2622366, 2913740, 3933549, 4370610, 5244732, 6555915, 7867098, 8741220, 13111830, 15734196, 19667745, 26223660, 39335490, 78670980]

約数ペア:

[(1, 78670980), (2, 39335490), (3, 26223660), (4, 19667745), (5, 15734196), (6, 13111830), (9, 8741220), (10, 7867098), (12, 6555915), (15, 5244732), (18, 4370610), (20, 3933549), (27, 2913740), (30, 2622366), (36, 2185305), (45, 1748244), (54, 1456870), (60, 1311183), (90, 874122), (108, 728435), (135, 582748), (180, 437061), (270, 291374), (540, 145687)]