204705240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89783}}^1$

素因数の和:89816

約数の個数: 64

約数和(自身を含む): 646444800

約数和(自身を除く): 441739560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 89783, 179566, 269349, 359132, 448915, 538698, 718264, 897830, 1077396, 1346745, 1705877, 1795660, 2154792, 2693490, 3411754, 3591320, 5117631, 5386980, 6823508, 8529385, 10235262, 10773960, 13647016, 17058770, 20470524, 25588155, 34117540, 40941048, 51176310, 68235080, 102352620, 204705240]

約数ペア:

[(1, 204705240), (2, 102352620), (3, 68235080), (4, 51176310), (5, 40941048), (6, 34117540), (8, 25588155), (10, 20470524), (12, 17058770), (15, 13647016), (19, 10773960), (20, 10235262), (24, 8529385), (30, 6823508), (38, 5386980), (40, 5117631), (57, 3591320), (60, 3411754), (76, 2693490), (95, 2154792), (114, 1795660), (120, 1705877), (152, 1346745), (190, 1077396), (228, 897830), (285, 718264), (380, 538698), (456, 448915), (570, 359132), (760, 269349), (1140, 179566), (2280, 89783)]