172665255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 358318080

約数和(自身を除く): 185652825

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 53, 57, 69, 71, 95, 105, 115, 133, 159, 161, 213, 265, 285, 345, 355, 371, 399, 437, 483, 497, 665, 795, 805, 1007, 1065, 1113, 1219, 1311, 1349, 1491, 1633, 1855, 1995, 2185, 2415, 2485, 3021, 3059, 3657, 3763, 4047, 4899, 5035, 5565, 6095, 6555, 6745, 7049, 7455, 8165, 8533, 9177, 9443, 11289, 11431, 15105, 15295, 18285, 18815, 20235, 21147, 23161, 24495, 25599, 26341, 28329, 31027, 34293, 35245, 42665, 45885, 47215, 56445, 57155, 69483, 71497, 79023, 86549, 93081, 105735, 115805, 127995, 131705, 141645, 155135, 162127, 171465, 214491, 217189, 259647, 347415, 357485, 395115, 432745, 465405, 486381, 500479, 605843, 651567, 810635, 1072455, 1085945, 1298235, 1501437, 1644431, 1817529, 2431905, 2502395, 3029215, 3257835, 4933293, 7507185, 8222155, 9087645, 11511017, 24666465, 34533051, 57555085, 172665255]

約数ペア:

[(1, 172665255), (3, 57555085), (5, 34533051), (7, 24666465), (15, 11511017), (19, 9087645), (21, 8222155), (23, 7507185), (35, 4933293), (53, 3257835), (57, 3029215), (69, 2502395), (71, 2431905), (95, 1817529), (105, 1644431), (115, 1501437), (133, 1298235), (159, 1085945), (161, 1072455), (213, 810635), (265, 651567), (285, 605843), (345, 500479), (355, 486381), (371, 465405), (399, 432745), (437, 395115), (483, 357485), (497, 347415), (665, 259647), (795, 217189), (805, 214491), (1007, 171465), (1065, 162127), (1113, 155135), (1219, 141645), (1311, 131705), (1349, 127995), (1491, 115805), (1633, 105735), (1855, 93081), (1995, 86549), (2185, 79023), (2415, 71497), (2485, 69483), (3021, 57155), (3059, 56445), (3657, 47215), (3763, 45885), (4047, 42665), (4899, 35245), (5035, 34293), (5565, 31027), (6095, 28329), (6555, 26341), (6745, 25599), (7049, 24495), (7455, 23161), (8165, 21147), (8533, 20235), (9177, 18815), (9443, 18285), (11289, 15295), (11431, 15105)]