155657025

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 308016000

約数和(自身を除く): 152358975

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 53, 57, 75, 95, 135, 159, 171, 225, 229, 265, 285, 475, 477, 513, 675, 687, 795, 855, 1007, 1145, 1325, 1425, 1431, 2061, 2385, 2565, 3021, 3435, 3975, 4275, 4351, 5035, 5725, 6183, 7155, 9063, 10305, 11925, 12137, 12825, 13053, 15105, 17175, 21755, 25175, 27189, 30915, 35775, 36411, 39159, 45315, 51525, 60685, 65265, 75525, 108775, 109233, 117477, 135945, 154575, 182055, 195795, 226575, 230603, 303425, 326325, 327699, 546165, 587385, 679725, 691809, 910275, 978975, 1153015, 1638495, 2075427, 2730825, 2936925, 3459045, 5765075, 6226281, 8192475, 10377135, 17295225, 31131405, 51885675, 155657025]

約数ペア:

[(1, 155657025), (3, 51885675), (5, 31131405), (9, 17295225), (15, 10377135), (19, 8192475), (25, 6226281), (27, 5765075), (45, 3459045), (53, 2936925), (57, 2730825), (75, 2075427), (95, 1638495), (135, 1153015), (159, 978975), (171, 910275), (225, 691809), (229, 679725), (265, 587385), (285, 546165), (475, 327699), (477, 326325), (513, 303425), (675, 230603), (687, 226575), (795, 195795), (855, 182055), (1007, 154575), (1145, 135945), (1325, 117477), (1425, 109233), (1431, 108775), (2061, 75525), (2385, 65265), (2565, 60685), (3021, 51525), (3435, 45315), (3975, 39159), (4275, 36411), (4351, 35775), (5035, 30915), (5725, 27189), (6183, 25175), (7155, 21755), (9063, 17175), (10305, 15105), (11925, 13053), (12137, 12825)]