72912400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 120

約数和(自身を含む): 194567904

約数和(自身を除く): 121655504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 73, 80, 88, 100, 110, 146, 176, 200, 220, 227, 275, 292, 365, 400, 440, 454, 550, 584, 730, 803, 880, 908, 1100, 1135, 1168, 1460, 1606, 1816, 1825, 2200, 2270, 2497, 2920, 3212, 3632, 3650, 4015, 4400, 4540, 4994, 5675, 5840, 6424, 7300, 8030, 9080, 9988, 11350, 12485, 12848, 14600, 16060, 16571, 18160, 19976, 20075, 22700, 24970, 29200, 32120, 33142, 39952, 40150, 45400, 49940, 62425, 64240, 66284, 80300, 82855, 90800, 99880, 124850, 132568, 160600, 165710, 182281, 199760, 249700, 265136, 321200, 331420, 364562, 414275, 499400, 662840, 729124, 828550, 911405, 998800, 1325680, 1458248, 1657100, 1822810, 2916496, 3314200, 3645620, 4557025, 6628400, 7291240, 9114050, 14582480, 18228100, 36456200, 72912400]

約数ペア:

[(1, 72912400), (2, 36456200), (4, 18228100), (5, 14582480), (8, 9114050), (10, 7291240), (11, 6628400), (16, 4557025), (20, 3645620), (22, 3314200), (25, 2916496), (40, 1822810), (44, 1657100), (50, 1458248), (55, 1325680), (73, 998800), (80, 911405), (88, 828550), (100, 729124), (110, 662840), (146, 499400), (176, 414275), (200, 364562), (220, 331420), (227, 321200), (275, 265136), (292, 249700), (365, 199760), (400, 182281), (440, 165710), (454, 160600), (550, 132568), (584, 124850), (730, 99880), (803, 90800), (880, 82855), (908, 80300), (1100, 66284), (1135, 64240), (1168, 62425), (1460, 49940), (1606, 45400), (1816, 40150), (1825, 39952), (2200, 33142), (2270, 32120), (2497, 29200), (2920, 24970), (3212, 22700), (3632, 20075), (3650, 19976), (4015, 18160), (4400, 16571), (4540, 16060), (4994, 14600), (5675, 12848), (5840, 12485), (6424, 11350), (7300, 9988), (8030, 9080)]